Mission control problem

I have a Cinema monitor connected to a MacBookPro (early 2011) with Mountain Lion; when I lauch the Mission Control I have this behavior
A "copy" of the background appears covering the other screens icons. Any idea of the problem ?
Thank you,
Paolo

I had this as well. Fixed it by removing ~/Library/Preferences/com.apple.desktop.plist then restarting my computer. Now I have default background images but I can use mission control.

Similar Messages

Mission Control Problem: Unable to Assign Mail Application

I have used Mountain LIon since release with no problem. Today I restarded my computer after it died of battery and now I am unable to assign my mail application to a desktop as I had previously been able todo. I am able to full screen the application which then keeps it in one pane but I do not like to use it that way as I like to have multiple emails open at once. Once I drag the application in mission control to a new desktop it does not get the dark hilight and pops back into palce. The mail application appears on every desktop that is not an application in full screen mode. See pictures, please help!
This is me trying to move the mail app into a desktop.
This is the same attempt with system prefrences.

Just found this post that addressed my issue, thanks.
https://discussions.apple.com/message/15948670#15948670

Problem to get Mission Control 3.0.1 running with JBoss 4.2.2GA

Hello,
I'm using JRockit R27.04 to run JBoss 4.2.2GA with the following VM parameters:
-Xmanagement:ssl=false,authenticate=false,port=7091,autodiscovery=true -Djavax.management.builder.initial=org.jboss.system.server.jmx.MBeanServerBuilderImpl -Djboss.platform.mbeanserver
It's working fine but when I try to use any feature of Mission Control (console, memleak, JRA, ...) pointing to JBoss, I get a ClassNotFoundException:
Could not open Memory Leak Detector for (1.6) org.jboss.Main (4460).
java.rmi.UnmarshalException: error unmarshalling return; nested exception is:
     java.lang.ClassNotFoundException: org.apache.xerces.dom.DeferredElementImpl (no security manager: RMI class loader disabled)
java.rmi.UnmarshalException: error unmarshalling return; nested exception is:
     java.lang.ClassNotFoundException: org.apache.xerces.dom.DeferredElementImpl (no security manager: RMI class loader disabled)
     at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:178)
     at com.sun.jmx.remote.internal.PRef.invoke(Unknown Source)
     at javax.management.remote.rmi.RMIConnectionImpl_Stub.getMBeanInfo(Unknown Source)
     at javax.management.remote.rmi.RMIConnector$RemoteMBeanServerConnection.getMBeanInfo(RMIConnector.java:1037)
     at com.jrockit.console.rjmx.RJMXConnection.getMBeanInfos(RJMXConnection.java:279)
     at com.jrockit.console.rjmx.RJMXConnection.getMBeanInfos(RJMXConnection.java:314)
     at com.jrockit.console.rjmx.RJMXConnectorModel.initializeAttributeInfos(RJMXConnectorModel.java:294)
     at com.jrockit.console.rjmx.RJMXConnectorModel.<init>(RJMXConnectorModel.java:99)
     at com.jrockit.console.rjmx.RJMXConnectorModel.<init>(RJMXConnectorModel.java:113)
     at com.jrockit.mc.memleak.ui.RjmxMemleakEditorInput.connect(Unknown Source)
     at com.jrockit.mc.memleak.ui.actions.StartMemleak$1.preConnect(Unknown Source)
     at com.jrockit.mc.browser.utils.PreConnectJob.run(PreConnectJob.java:73)
     at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
Caused by: java.lang.ClassNotFoundException: org.apache.xerces.dom.DeferredElementImpl (no security manager: RMI class loader disabled)
     at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:375)
     at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:165)
     at java.rmi.server.RMIClassLoader$2.loadClass(RMIClassLoader.java:620)
     at java.rmi.server.RMIClassLoader.loadClass(RMIClassLoader.java:247)
     at sun.rmi.server.MarshalInputStream.resolveClass(MarshalInputStream.java:197)
     at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575)
     at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)
     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
     at java.util.HashMap.readObject(HashMap.java:1157)
     at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
     at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
     at java.io.ObjectInputStream.access$300(ObjectInputStream.java:188)
     at java.io.ObjectInputStream$GetFieldImpl.readFields(ObjectInputStream.java:2107)
     at java.io.ObjectInputStream.readFields(ObjectInputStream.java:519)
     at javax.management.modelmbean.DescriptorSupport.readObject(DescriptorSupport.java:1270)
     at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
     at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
     at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
     at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:480)
     at javax.management.modelmbean.ModelMBeanAttributeInfo.readObject(ModelMBeanAttributeInfo.java:524)
     at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
     at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
     at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1667)
     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1323)
     at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
     at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:480)
     at javax.management.MBeanInfo.readObject(MBeanInfo.java:669)
     at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
     at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
     at sun.rmi.server.UnicastRef.unmarshalValue(UnicastRef.java:306)
     at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:155)
     ... 12 more
If I put xerces in jrockit classpath (putting the jar in jrockit-R27.4.0-jdk1.6.0_02\jre\lib\ext dir) just to workaround ClassNotFoundException and test again I get a new error:
Could not open Memory Leak Detector for (1.6) org.jboss.Main (4460).
java.rmi.UnmarshalException: error unmarshalling return; nested exception is:
     java.io.IOException: unknown protocol: resource
java.rmi.UnmarshalException: error unmarshalling return; nested exception is:
     java.io.IOException: unknown protocol: resource
     at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:173)
     at com.sun.jmx.remote.internal.PRef.invoke(Unknown Source)
     at javax.management.remote.rmi.RMIConnectionImpl_Stub.getMBeanInfo(Unknown Source)
     at javax.management.remote.rmi.RMIConnector$RemoteMBeanServerConnection.getMBeanInfo(RMIConnector.java:1037)
     at com.jrockit.console.rjmx.RJMXConnection.getMBeanInfos(RJMXConnection.java:279)
     at com.jrockit.console.rjmx.RJMXConnection.getMBeanInfos(RJMXConnection.java:314)
     at com.jrockit.console.rjmx.RJMXConnectorModel.initializeAttributeInfos(RJMXConnectorModel.java:294)
     at com.jrockit.console.rjmx.RJMXConnectorModel.<init>(RJMXConnectorModel.java:99)
     at com.jrockit.console.rjmx.RJMXConnectorModel.<init>(RJMXConnectorModel.java:113)
     at com.jrockit.mc.memleak.ui.RjmxMemleakEditorInput.connect(Unknown Source)
     at com.jrockit.mc.memleak.ui.actions.StartMemleak$1.preConnect(Unknown Source)
     at com.jrockit.mc.browser.utils.PreConnectJob.run(PreConnectJob.java:73)
     at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
Caused by: java.io.IOException: unknown protocol: resource
     at java.net.URL.readObject(URL.java:1219)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
     at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
     at java.util.HashMap.readObject(HashMap.java:1157)
     at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
     at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
     at java.io.ObjectInputStream.access$300(ObjectInputStream.java:188)
     at java.io.ObjectInputStream$GetFieldImpl.readFields(ObjectInputStream.java:2107)
     at java.io.ObjectInputStream.readFields(ObjectInputStream.java:519)
     at javax.management.modelmbean.DescriptorSupport.readObject(DescriptorSupport.java:1270)
     at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
     at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
     at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
     at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:480)
     at javax.management.modelmbean.ModelMBeanAttributeInfo.readObject(ModelMBeanAttributeInfo.java:524)
     at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
     at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
     at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1667)
     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1323)
     at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
     at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:480)
     at javax.management.MBeanInfo.readObject(MBeanInfo.java:669)
     at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
     at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
     at sun.rmi.server.UnicastRef.unmarshalValue(UnicastRef.java:306)
     at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:155)
     ... 12 more
Can anyone help me?
Thank's,
Anderson Souza
Java/JEE Architect - Brasil

It was a good attempt, but I'm still getting the same exceptions.
I tried to create a new service file, and it was successful deployed:
<?xml version="1.0"?>
<server>
<mbean code="bea.jrockit.management.JRockitConsole" name="bea.jrockit.management:type=JRockitConsole">
</mbean>
</server>
After it I opened JBoss JMX Console and I saw the following mbeans published:
bea.jrockit.management
type=Compilation
type=DiagnosticCommand
type=GarbageCollector
type=JRA
type=JRockitConsole
type=Log
type=MemLeak
type=Memory
type=PerfCounters
type=Profiler
type=Runtime
So, it appears that all jkrockit MBeans are published, but the problem persist.
Any other suggestion?
Thanks,
Anderson Souza

Problems with scrolling and Mission Control

I have this problem:
When scrolling down any page, the letters will blur at the top of the screen and not the bottom.
When swiping acrross pages in the launchpad, it occasionaly freezes half way between the two.
When I swipe up with four fingers to access mission control, the screen becomes very sluggish. Swiping back down (or clicking a tab) is even worse, causing slow "laggy" animations.
And this the report from EtreCheck:
Hardware Information:
          MacBook Pro (13-inch, Mid 2012)
          MacBook Pro - model: MacBookPro9,2
          1 2.5 GHz Intel Core i5 CPU: 2 cores
          4 GB RAM
Video Information:
          Intel HD Graphics 4000 - VRAM: 1024 MB
System Software:
          OS X 10.9.2 (13C1021) - Uptime: 0 days 0:3:16
Disk Information:
          APPLE HDD HTS545050A7E362 disk0 : (500.11 GB)
                    EFI (disk0s1) <not mounted>: 209.7 MB
                    Macintosh HD (disk0s2) / [Startup]: 499.25 GB (309.44 GB free)
          HL-DT-ST DVDRW GS41N
USB Information:
          Apple Inc. Apple Internal Keyboard / Trackpad
          Apple Computer, Inc. IR Receiver
          Apple Inc. BRCM20702 Hub
                    Apple Inc. Bluetooth USB Host Controller
          Apple Inc. FaceTime HD Camera (Built-in)
FireWire Information:
Thunderbolt Information:
          Apple Inc. thunderbolt_bus
Configuration files:
          /etc/hosts - Count: 1
Launch Daemons:
          [loaded] com.adobe.fpsaud.plist Support
          [loaded] com.microsoft.office.licensing.helper.plist Support
Launch Agents:
          [not loaded] com.bose.soundtouch.plist Support
User Launch Agents:
          [loaded] com.adobe.ARM.[...].plist Support
          [loaded] com.google.keystone.agent.plist Support
          [running] com.spotify.webhelper.plist Support
User Login Items:
          iTunesHelper
          Spotify
          BitTorrent
          Autodesk 360
Internet Plug-ins:
          SharePointBrowserPlugin: Version: 14.0.0 Support
          FlashPlayer-10.6: Version: 13.0.0.201 - SDK 10.6 Support
          AdobePDFViewer: Version: 10.0.0 Support
          Flash Player: Version: 13.0.0.201 - SDK 10.6 Support
          QuickTime Plugin: Version: 7.7.3
          Default Browser: Version: 537 - SDK 10.9
Audio Plug-ins:
          BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
          AirPlay: Version: 2.0 - SDK 10.9
          AppleAVBAudio: Version: 203.2 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
iTunes Plug-ins:
          Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
3rd Party Preference Panes:
          Flash Player Support
Time Machine:
          Time Machine not configured!
Top Processes by CPU:
               2%          WindowServer
               2%          SoundTouch music server
               0%          fontd
               0%          BitTorrent
               0%          mds
Top Processes by Memory:
          90 MB          mds_stores
          86 MB          Safari
          78 MB          Spotify
          57 MB          Spotify Helper
          49 MB          ocspd
Virtual Memory Information:
          1.83 GB          Free RAM
          1.44 GB          Active RAM
          190 MB          Inactive RAM
          558 MB          Wired RAM
          303 MB          Page-ins
          0 B          Page-outs

I have this problem:
When scrolling down any page, the letters will blur at the top of the screen and not the bottom.
When swiping acrross pages in the launchpad, it occasionaly freezes half way between the two.
When I swipe up with four fingers to access mission control, the screen becomes very sluggish. Swiping back down (or clicking a tab) is even worse, causing slow "laggy" animations.
And this the report from EtreCheck:
Hardware Information:
          MacBook Pro (13-inch, Mid 2012)
          MacBook Pro - model: MacBookPro9,2
          1 2.5 GHz Intel Core i5 CPU: 2 cores
          4 GB RAM
Video Information:
          Intel HD Graphics 4000 - VRAM: 1024 MB
System Software:
          OS X 10.9.2 (13C1021) - Uptime: 0 days 0:3:16
Disk Information:
          APPLE HDD HTS545050A7E362 disk0 : (500.11 GB)
                    EFI (disk0s1) <not mounted>: 209.7 MB
                    Macintosh HD (disk0s2) / [Startup]: 499.25 GB (309.44 GB free)
          HL-DT-ST DVDRW GS41N
USB Information:
          Apple Inc. Apple Internal Keyboard / Trackpad
          Apple Computer, Inc. IR Receiver
          Apple Inc. BRCM20702 Hub
                    Apple Inc. Bluetooth USB Host Controller
          Apple Inc. FaceTime HD Camera (Built-in)
FireWire Information:
Thunderbolt Information:
          Apple Inc. thunderbolt_bus
Configuration files:
          /etc/hosts - Count: 1
Launch Daemons:
          [loaded] com.adobe.fpsaud.plist Support
          [loaded] com.microsoft.office.licensing.helper.plist Support
Launch Agents:
          [not loaded] com.bose.soundtouch.plist Support
User Launch Agents:
          [loaded] com.adobe.ARM.[...].plist Support
          [loaded] com.google.keystone.agent.plist Support
          [running] com.spotify.webhelper.plist Support
User Login Items:
          iTunesHelper
          Spotify
          BitTorrent
          Autodesk 360
Internet Plug-ins:
          SharePointBrowserPlugin: Version: 14.0.0 Support
          FlashPlayer-10.6: Version: 13.0.0.201 - SDK 10.6 Support
          AdobePDFViewer: Version: 10.0.0 Support
          Flash Player: Version: 13.0.0.201 - SDK 10.6 Support
          QuickTime Plugin: Version: 7.7.3
          Default Browser: Version: 537 - SDK 10.9
Audio Plug-ins:
          BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
          AirPlay: Version: 2.0 - SDK 10.9
          AppleAVBAudio: Version: 203.2 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
iTunes Plug-ins:
          Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
3rd Party Preference Panes:
          Flash Player Support
Time Machine:
          Time Machine not configured!
Top Processes by CPU:
               2%          WindowServer
               2%          SoundTouch music server
               0%          fontd
               0%          BitTorrent
               0%          mds
Top Processes by Memory:
          90 MB          mds_stores
          86 MB          Safari
          78 MB          Spotify
          57 MB          Spotify Helper
          49 MB          ocspd
Virtual Memory Information:
          1.83 GB          Free RAM
          1.44 GB          Active RAM
          190 MB          Inactive RAM
          558 MB          Wired RAM
          303 MB          Page-ins
          0 B          Page-outs

Problem in mission control : placement of the desktops isn't memorized

Hi everyone!
It's my first topic here, so please, be kind if I'm not respecting the rules...
Here is my problem :
Today, I'm doing some HTML coding in textwrangler, and testing the pages with safari on a second desktop. I'm opening the pages in safari with a finder window opened in a third desktop. I'm on my macbook pro and i'm switching desktops with the 4 fingers technique. I have placed the desktops in that order :
1) Textwrangler
2) Safari
3) Finder
When i'm using the 4 fingers and go into the finder to look after a page, trying it into safari, the order is changed :
1)Textwrangler
2) Finder
3) Safari
Is anyone encountering something like that with mission control? Do you know how to fix it? I hope you'll be interested in my problem.
Thank you!
Nelson

Thanks a lot, I hadn't seen the options in preferencies... Let me go buying glasses!
Nelson

Mission Control keyboard shortcut problems

I have a problem with my keyboard shortcuts (changing space with Mission Control)
Sometimes they do not work... then I have to reset PRAM (using this guide http://support.apple.com/kb/ht1379) and then it works again. Then after some time it fails again.
Anyone having the same problem?

Just another quick update, the link above is not possible CSGO and other steam games do not allow you to define custom shortcuts. I found an article on the web indicating that scripting this is not possible either as the plist you modify requires killing the mission control process entirely to reload the settings, and then doesn't remember the modification you make to the plist anyway. This is a real pain, maybe I have to learn to deal with AWSD controls in FPS games if I intend to use the mac :-/

Desktop background problems: 27" iMac/Mission Control

I've just installed a 27" iMac running 10.8 with 16 GB RAM. I use 4 desktops at a time with different backgrounds in each. When changing between e.g. desktops 2 and 3, via CTRL-right-arrow, Mission Control annoyingly flashes the desktop 1 background before replacing it with the desktop 3 background.
I have replicated the problem on the other 27" iMac's I have access to, and with a variety of desktop backgrounds (e.g. only the Apple provided ones)
and with various amounts of RAM (8 GB to 16GB). It is a consistent problem on all 27" iMac's running 10.8 as far as I can see.
Mission Control handled multiple desktop backgrounds flawlessly under my previous set up (iMac 21"/10.7).
Does anyone know how to fix this behavior?

I've just installed a 27" iMac running 10.8 with 16 GB RAM. I use 4 desktops at a time with different backgrounds in each. When changing between e.g. desktops 2 and 3, via CTRL-right-arrow, Mission Control annoyingly flashes the desktop 1 background before replacing it with the desktop 3 background.
I have replicated the problem on the other 27" iMac's I have access to, and with a variety of desktop backgrounds (e.g. only the Apple provided ones)
and with various amounts of RAM (8 GB to 16GB). It is a consistent problem on all 27" iMac's running 10.8 as far as I can see.
Mission Control handled multiple desktop backgrounds flawlessly under my previous set up (iMac 21"/10.7).
Does anyone know how to fix this behavior?

Having problem with MacBook Pro launching mission control without prompting

Having problem with MacBook Pro, launching mission control without prompting. Please advise. Thank you.

It may be a swipe that's doing this > Mac Basics: Mission Control

Problem with mission control after 10.7.2 update

After I updated to 10.7.2, when I swipe into mission control then select a different app with the spacebar then swipe back out of mission control, the menu bar on the top does not switch to the new app, it stays as the previous open app. But, if I click on the new app instead of using the spacebar then the menu bar switches correctly. Is anyone else having this problem?

I have had the same issue since initial 10.7.0 install. Doesn't seem to affect function at all.. but disconcerting nonetheless. I have yet to find anything acknowleding the problem or how to fix it.

Is anyone experiencing problems with opening mission control from the desktop. Running mountain lion with parallels 7 and windows 7

is anyone experiencing problems with opening mission control from the desktop. Running mountain lion with parallels 7 and windows 7

I had been having a similar problem on Lion with Safari pdf files despite downloading the latest Adobe Reader XI.
I would constantly get the same messages - There was an error opening this document. The file is damaged and could not be repaired. And I would get a blank page when I tried to print the pdf if I tried printing from the Safari web page using File - Print from the top toolbar on my laptop.
Then I came across the grey Safari lozenge with action icons.
This allowed me, without downloading the pdf, to print the pdf file direct from the Safari page by using the Print icon on the grey lozenge that appears centrally three quarters down the screen.
Then I discovered that if I save the pdf using the Save icon from this same grey lozenge on the Safari page I can open and print this pdf version from my desktop.
I've tested it with a couple of different pdf files and these methods work using the grey lozenge icons but the same pdfs files don't work using File - Save As on the Tool Bar.

Problem starting JRA recording in Mission Control

Hi all,
I have a local weblogic 10.1 installed in my computer, when i tried to get start JRA recording it produces an error, here is the trace of the error:
Could not open JRA for Create JRA-recording on (1.5) weblogic.Server (2840).
javax.management.RuntimeMBeanException: RuntimeException thrown in operation start
javax.management.RuntimeMBeanException: RuntimeException thrown in operation start
     at com.sun.jmx.mbeanserver.StandardMetaDataImpl.wrapRuntimeException(StandardMetaDataImpl.java:994)
     at com.sun.jmx.mbeanserver.StandardMetaDataImpl.invoke(StandardMetaDataImpl.java:430)
     at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:220)
     at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:815)
     at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784)
     at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1408)
     at javax.management.remote.rmi.RMIConnectionImpl.access$100(RMIConnectionImpl.java:81)
     at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1245)
     at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1341)
     at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:782)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:294)
     at sun.rmi.transport.Transport$1.run(Transport.java:153)
     at sun.rmi.transport.Transport.serviceCall(Transport.java:149)
     at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:466)
     at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:707)
     at java.lang.Thread.run(Thread.java:595)
     at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:247)
     at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:223)
     at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:126)
     at com.sun.jmx.remote.internal.PRef.invoke(Unknown Source)
     at javax.management.remote.rmi.RMIConnectionImpl_Stub.invoke(Unknown Source)
     at javax.management.remote.rmi.RMIConnector$RemoteMBeanServerConnection.invoke(RMIConnector.java:972)
     at com.jrockit.console.rjmx.RJMXConnection.invokeOperation(RJMXConnection.java:432)
     at com.jrockit.console.rjmx.AbstractServerOperations.invokeMethodWithException(AbstractServerOperations.java:110)
     at com.jrockit.console.rjmx.JMXR27Operations.startJRARecording(JMXR27Operations.java:60)
     at com.jrockit.mc.jra.ui.wizards.RecordingJob.startRecording(RecordingJob.java:195)
     at com.jrockit.mc.jra.ui.actions.StartJRA$1.preConnect(StartJRA.java:50)
     at com.jrockit.mc.browser.utils.PreConnectJob.run(PreConnectJob.java:73)
     at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
Caused by: java.lang.RuntimeException: java.lang.IllegalAccessException: Your license does not allow JRA to be started: Error: license signature validation error.
Please check http://www.jrockit.com/
     at bea.jmapi.DiagnosticCommandImpl.execute(DiagnosticCommandImpl.java:54)
     at com.bea.jvm.DiagnosticCommand.execute(DiagnosticCommand.java:234)
     at com.bea.jvm.DiagnosticCommand.execute(DiagnosticCommand.java:253)
     at com.bea.jvm.DiagnosticCommand$Command.execute(DiagnosticCommand.java:349)
     at com.bea.jvm.DiagnosticCommand$Command.execute(DiagnosticCommand.java:377)
     at bea.jrockit.management.JRARecording.<init>(JRARecording.java:79)
     at bea.jrockit.management.JRA.start(JRA.java:88)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at com.sun.jmx.mbeanserver.StandardMetaDataImpl.invoke(StandardMetaDataImpl.java:414)
     at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:220)
     at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:815)
     at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784)
     at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1408)
     at javax.management.remote.rmi.RMIConnectionImpl.access$100(RMIConnectionImpl.java:81)
     at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1245)
     at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1341)
     at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:782)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:294)
     at sun.rmi.transport.Transport$1.run(Transport.java:153)
     at sun.rmi.transport.Transport.serviceCall(Transport.java:149)
     at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:466)
     at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:707)
     at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.IllegalAccessException: Your license does not allow JRA to be started: Error: license signature validation error.
Please check http://www.jrockit.com/
     at bea.jmapi.DiagnosticCommandImpl.execute(Native Method)
     at bea.jmapi.DiagnosticCommandImpl.execute(DiagnosticCommandImpl.java:50)
     ... 29 more
Somebody knows what can be the problem ??
Thanks.
Edited by: user10798842 on 15-ene-2009 7:48

"Caused by: java.lang.RuntimeException: java.lang.IllegalAccessException: Your license does not allow JRA to be started: Error: license signature validation error."
For the version of JRockit that you are running, you need to have a license file to run JRockit Mission Control.
Information about how to find a license file can be found here
In the normal case, you will get better and faster response to JRockit Mission Control questions if you ask them in the JRMC Forum
Good luck,
Tomas

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I've just installed the Safari 6.1.1 and iTunes 11.1 updates. For some reason this seems to have affected Mission control on my computer (late 2011 Macbook pro running Mountain Lion).
I can now no longer highlight and select the large desktop window in Mission Control (the one that open apps appear above). This is really annoying as it makes navigating around much more of a hassle now.
Does anyone have any ideas? I've tried repairing Disk permissions already. Thanks.

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Hi my name is Amit, after upgrading to OS X Maverick I often have problem of my Hot corners stop working after a short period of time. I have to go to mission control and have to reset them for them to start working again. However this is temparory and they stop working again and this is quite annoying. Can someone suggest a cure to this problem please. I will be grateful. Thanks Amit.

Back up all data.
Triple-click anywhere in the line below on this page to select it:
~/Library/Preferences/com.apple.dock.plist
Right-click or control-click the line and select
Services ▹ Reveal in Finder (or just Reveal)
from the contextual menu.* A folder should open with an item selected. Move the selected item to the Desktop, leaving the window open. Log out or restart the computer and test. If there's no change, put the item you moved back where it was, overwriting the one that may have been created in its place. Log out again. Otherwise, delete the item you moved.
*If you don't see the contextual menu item, copy the selected text to the Clipboard by pressing the key combination command-C. In the Finder, select
Go ▹ Go to Folder...
from the menu bar and paste into the box that opens by pressing command-V. You won't see what you pasted because a line break is included. Press return.

Maverick causing problems with mission control

hi,
I have a early 2013 Mac book pro. I just upgraded to Maverick and I have been facing issues with mission control. When I swipe fingers up on touchpad to open Mission control, occasionally it lags. Basically the lagging is prevelant with swipe and pinch gestures on touchpad, the transitions are not smooth. Please help me fix it.
Thanks in advance,
Kritarth

I'm not sure that what I'm seeing is this same problem, but it's similar. And worse.
I have a MacBook Pro (Retina, 15-inch,Early 2013), and several times since I installed Mavericks both Mission Control and 4-finger swiping have stopped working completely. A restart always fixes them. They both fail at the same time--either both work completely, or both don't work at all.
I'm guessing there's a lurking Mavericks bug, somewhere.
Ed

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https://discussions.apple.com/message/15680566#15680566
except my plist file was in ~/Library instead of /Library.
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