Update to 10.10.2 breaks dock, cmd+tab

Late 2010 MacBook Air. Updated to 10.10.2, dock freezes and cmd+tab doesn't page through open aps (nothing happens). Removed several 3rd party aps, no improvement. Restored 10.10.1, reupdated, same problem. Turned off auto-update and am sticking w/ 10.10.1 for now but would like to fix this. Ideas?

Try a restart.
Do a backup, using either Time Machine or a cloning program, to ensure files/data can be recovered. Two backups are better than one.
Try setting up another admin user account to see if the same problem continues. If Back-to-My Mac is selected in System Preferences, the Guest account will not work. The intent is to see if it is specific to one account or a system wide problem. This account can be deleted later.
Isolating an issue by using another user account

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Dock/Cmd+Tab Icons shows up as blank

Recently all icons relating to webkit (chromium, safari, mailplane, fluid, even pages (not sure if it relates to webkit though..)) shows up as blank in the dock and cmd+tab boxes, however they show up just fine in the applications folder. very odd behaviour.
any ideas what might be causing this?
screenshot http://bit.ly/bcG9b0

Simply, removing the concerned applications and re-adding them to the dock, reseted the icons. Duuh.

Vanishing Dock & CMD-TAB icons

Dear Administrator,
Recently, I upgraded my iMac Memory to 4GB and upgraded OS to OS X 10.6.8. After running the computer for long periods of time (4-5days), the newly opened program lost its icon in Dock and in CMD-TAB. It seems that the icons will reappear after I logout and then login in. I suspect that the reason for this is that I am running out of memory. But, before the upgrade, if the computer is running low on memory then it doesn't open any new applications. Now, the applications opens and works fine, except the icons were lost. Please help.
Sincerely yours,
Zigang Pan

Welcome to Apple Community forums.
Random is difficult to isolate. Try Safe Mode (It will take more time to startup in Safe Mode because it runs a directory check.)
Work in Safe Mode as long as you can and see how it goes
If your Finder functions correctly that way, go to System Preferences >> Accounts >> Login Items, and remove them. Boot normally and test. If not go to Users/(yourname)/Library/Contextual Menu Items and move whatever is there to the desktop. Then do the same with /Library/Contextual Menu Items. Lastly, try moving ~(yourname)/Library/Fonts to your desktop and restarting.
Log out/in or restart, if that sorts it start putting items back one at a time until you find the culprit.
-mj

Quick dock question---Using cmd-tab

Hello,
I am very used to using alt-tab to cycle through all the windows in XP. In XP it would cycle through all the open windows regardless if they were maximized, minimized, etc...
In OS X if you minimize a window cmd-tab wont bring it out from the dock (it will bring the program forward on the top of the screen but the window will remain locked in the dock until you click on it). Is there a keyboard shortcut to bring a minimized window out from the dock?
Thanks!

Oh yeah, I didn't notice you had a Macbook which means the Fx buttons have special functions. So, you would have to use the sequence fncontrolF3 to focus on the dock.
Note that you can change the settings for the Fx keys in System Preferences->Mouse & Keyboard to make such that they operate like a desktop model. When you do that, the modifier key (fn) is required to get to the special functions like volume, screen brightness, etc.
The window behavior in Mac OS X is not like Windows. The maximize button does not make the window fill the screen such that it takes over the whole thing. You can manually size it full screen by dragging the bottom corner though. This window behavior is bothersome to Windows users, but you'll get used to it. I do recommend using Expose as opposed to trying to make the Dock work like the Taskbar.

When I open a new program in mountain lion it is not visible in the dock, nor can I select it with cmd-tab.

Any ideas? I'm on a MacBook Air.

I have the same problem as m.proudfoot. Defintiely a bug with the Dock. In addition, when I minimized applications, despite having the preference to minimize windows into the application icon, they would also start minimizing as windows to the right of the dock. I was able to fix it temporarily by restarting the dock. Go to the Terminal Application (in Utilities) and type the following: killall -KILL Dock
That will restart the dock and for me it worked, where all of a sudden three running applications appeared and the CMD + TAB starting working again. Give it a try to see if it helps at least until there is a 10.8.1.
As for what causes it, that I haven't figured out yet, but I have had it occur on 2 different machines, a MacMini and MacBook, both with Mountain Lion. So sure seems like a bug.
Kevin

After updates, mail will not open from dock

After updates, Mail will not open from dock, or from the application app in finder.

What happens when you try - anything?

Hey guys on my mac book pro after updating three apps wont leave my dock, when i close them they just re-appear they are "LoginServer", "USBServer" and "NetServer" any ideas to what is the issue?????? PLEASE HELP.

Hey guys on my mac book pro after updating three apps wont leave my dock, when i close them they just re-appear they are "LoginServer", "USBServer" and "NetServer" any ideas to what is the issue?????? PLEASE HELP.

Hi I have just got back from the apple store and the guy at the Genius bar looked at it and said it was a manufacturing fault, and because it has been like it since new, and seemed to be getting worse he replaced the computer and I have a new warranty from today.
We got the feeling as soon as he looked at it that he has seen this before, I did say to him I was concerned it would be a replacement screen and I was not really happy about that as it was so new, and he said that was the normal procedure, but as the fault was already there at new and it was getting worse they would replace. I could not have asked for a better service.
Not unpacked this one yet but am hoping all is good, its a great little machine.
Thank you for your responses, and I hope this might help someone else. One thing it did not seem to be missing pixels but something to do with the screen production?

CMD + Tab and dock spotlights not working

I've noticed the CMD+TAB intermittently no longer shows the open applications. It's only showing Finder. I can have any application open and still just the finder. At the same time, the blue spotlights under open applications no longer work. A restart seems to fix it.
Any idea what's going on and what I need to do besides conintually restarting my machine?
Thanks,
Jeff

Please read this whole message before doing anything.
This procedure is a test, not a solution. Don’t be disappointed when you find that nothing has changed after you complete it.
Step 1
The purpose of this step is to determine whether the problem is localized to your user account.
Enable guest logins* and log in as Guest. For instructions, launch the System Preferences application, select Help from the menu bar, and enter “Set up a guest account” (without the quotes) in the search box.
While logged in as Guest, you won’t have access to any of your personal files or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
Test while logged in as Guest. Same problem(s)?
After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
*Note: If you’ve activated “Find My Mac” or FileVault in Mac OS X 10.7 or later, then you can’t enable the Guest account. The Guest login created by “Find My Mac” is not the same. Create a new account in which to test, and delete it, including its home folder, after testing.
Step 2
The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode* and log in to the account with the problem. The instructions provided by Apple are as follows:
Be sure your Mac is shut down.
Press the power button.
Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone, but not before the tone.
Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
*Note: If FileVault is enabled under Mac OS X 10.7 or later, you can’t boot in safe mode.
Test while in safe mode. Same problem(s)?
After testing, reboot as usual (i.e., not in safe mode) and verify that you still have the problem. Post the results of steps 1 and 2.

Expose, Cmd Tab, Screenshot, Spaces all breaking

Not sure what causes this, I thought it was sleeping but apparently not.
All Expose, Cmd Tab, Screenshot and Spaces will all be fine but they theyll stop working and I also cannot reboot or log out, the Mac just wont.
I have to go Terminal -> "sudo reboot" to force a restart.

Couple of possibilities. The first thing I'd try is clearing your launchServices caches.
Launch Terminal and copy & paste this at the command line to rebuild LaunchServices:
Code:
<pre class="alt2" style="margin:0px; padding:3px; border:1px inset; width:640px; height:34px; overflow:auto">/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchSe rvices.framework/Versions/A/Support/lsregister -kill -r -domain local -domain system -domain user</pre>
Then press return. Wait until terminal returns to the command line. Quit Terminal. After that, log out and back in or restart. Let us know
-mj

Mail does not show as running nor is it displayed in Cmd-Tab rotation

I know that with Lion, the idea was that it shouldn't matter to the user if a program is currently running or not. So the blue dot in the dock was by default off. A lot of beta testers complained and the option to turn it back on was included. Somewhere in the last few months, Lion updates have changed something behind my back. When I run Mail, the dock blue light never shows even though it does for programs not provided by Apple. But Mail, Safari, iCal, and probably others do not show the blue dot when running. (BTW, in case you haven't read clearly what I wrote, since non-Apple dock icons show the blue dot, it means i HAVE SET THE SHOW INDICATOR lights option in Settings / Dock.)
What is far far worse is that when I press Cmd-Tab, none of these Apple programs (standard programs installed with OS X or programs from iWork or Aperture) are displayed in the cycle of programs I may switch among! I now must either click on the dock Icon with a MOUSE (extra hand movement) or click on a part of ghe window again with a Mouse. While I use the mouse a lot, having many years of pre GUI experience with only a keyboard, I developed a style of minimal movement. If my hands are on the keyboard, I don't want to pick up the mmouse unless there is no other way. Similarly if I'm using the mouse I don't want to go to the keyboard except for a good cause. Up until now, I've been able to do this with OS X (or dare I say with Windows). I've used a version of Mountain Lion and don't recal seeing this issue.
I have looked through out the setttings pages and tried preferences in each Apple application and I cannot find an option to re-enable the proper behavior of Cmd-Tab. Anyone know a way to fix this?
Thanks,

Some info regarding IMAP
http://support.apple.com/kb/PH2585
http://email.cityu.edu.hk/faq/popimap.htm
http://help.yahoo.com/kb/index?page=content&id=SLN3769&locale=en_US&y=PROD_MAIL_ ML
http://techchannel.radioshack.com/difference-between-imap-pop-account-apple-mail -2189.html
It is a newer protocol for mail, almost every provider has switched to it, and POP is virtually gone. It helps in syncing across multiple devices, and everything happens at the server (for the most part) at first you will see lots of activity that you will not recognize, but in time it seems to calm down and you will become used to it. When I first switched I thought I was going to lose my mind..be patient, it has become much better after some time As long as you get your mails, you may see some syncing occurring, not to worry.
Also you can contact your email provider for further info as to how "they do it"(some set-ups are different for each provider) and if there are settings that you may want to use to make it more to your liking.
Hope you find some help here

Pages 5.5: app doesn't appear in dock or tab bar when open

We are seeing this issue on the two macs in our office we tested (mine and a coworkers). To reproduce it:
Open pages
Click "Done" on the open/new document window (or simply close all documents you have open)
Click the desktop to send Pages to the background
If you Cmd+Tab, Pages doesn't appear for us. It also doesn't appear in the dock. Activity Monitor shows the app is still running and using spotlight to "open" it again brings it back to the foreground.
Is anyone else having this same problem?
Pages 5.5 2109
Yosemite 10.10
MBP 13", 2.66 GHz Intel Core 2 Duo
8 GB RAM
256 GB SSD

Newly downloaded apps will appear in the column on the left. The images on the right show what is installed on the device. Perphaps the logic has changed slightly with older builds also including what would be synced as well. Untick the box that says Automatically sync new apps and you can choose whether or not to include a new app instead of syncing, then removing.
tt2

CMD Tab not switching to apps in different Spaces

This has been a problem in the past and looks like it's still lingering in Mavericks. Yes I do have the Preferences option set btw
I think it seems to be triggered for me when disconnecting my external monitor (connected via Thunderolt aka MiniDisplayPort to DisplayPort cable). So once I'm using the laptop screen only then CMD+Tab doesn't switch to the correct Space. Not sure if it's when I disconnect when my MBP is sleeping or awake, something else I can test I guess..
Anyone else still getting this, and in the same situation re ext screen?
killall Dock makes it work again though.

Unfortunately there doesn't seem to be a way to do that, or at least in my testing I can't make that happen.

Cmd+tab not functioning correctly

CMD+Tab to switch windows works correctly when i am trying to switch windows within the same desktop space.
However, it does nothing when i choose an application window running in a different desktop space.
I am on the latest update 10.10.3
Everything was working fine and still works fine, when i do a restart. However, it suddenly stops working. I havent figured out what is causing the switch to fail.

Ok. Small correction. The restart doesnt help. It simply doesnt work - across desktop spaces. within a desktop/space, it works fine.

Why is the CMD-TAB app switcher still unable to properly focus apps?

On my MacBook Pro running OSX Lion 10.7.5, and on previous versions of OSX, I've noticed a very strange defect in the way the graphical environment switches applications.
To reproduce the problem, I open three apps (it does not seem to matter what apps are opened). At least two of the apps are on the same mission control (previously space) desktop so that they overlap. When I use CMD-TAB to switch between the same two apps on different miss.ctl. desktops, very often, as in, about every other switch, the app I'm switching to is underneath another application's window. It fails to rise to the top of the stack.
It is not regular. That is, sometimes the switched-to window does rise to the top. About half the time, it does not. This makes the app switcher a capricious interruption when I'm programming. I used to use spaces 2D spacial layout to spread out my windows and avoid the buggy behavior, but Apple jettisoned that with Lion.
I don't know if this is a problem with OSX's GUI, the libraries, or with the way developers write applications, but it has been a long standing issue. Has anyone else experienced this? It seems like it should have been fixed by now.
Anyone have any clues or fixes ?

Never mind. Apparently a duplicate of other threads. Possible fix: update the defective OSX Lion to Mountain Lion.

CMD+Tab Issues In Mountain Lion (consolidated)

I've seen CMD+Tab Mountain Lion issues myself and some others have posted online, so I'm consolidating them here:
CMD+Tab fails to show all running apps that are running (includes native OS apps such as iPhoto, Mail, etc.)
Pressing CMD+Tab does nothing (no pop-up), although the cursor does appear as if the command is partially being processed. (window prepping?)
CMD+Tabbing OUT of a full-screen application takes you to desktop, but then hides app icon from dock and CMD+Tab menu won't appear again... effectively leaving you stuck outside of the full-screen app (SC2). Only option is to go to activity monitor and kill process.
Interesting Side Note: I also use Alfred (CMD+Spacebar) for a shortcut/index app, and whenever CMD+Tab fails, Alfred also fails and I'm forced to manually used Spotlight to open apps. This suggests something could be tying up the CMD button and preventing it from executing combination key presses... maybe?
FIXES: The only solutions so far involve killing the processes of the perpetrating apps, i.e. finder, dock and any full-screen apps which caused the problem. Even doing so, the problem will manifest itself once again within a few hours.
Cheers!

I haven't tried experimenting with a guest user account as I solely use my admin account, but I'll play around a bit tonight. I only posted as it's manifested itself multiple times on my machine, no matter whether I sleep my computer, power nap it, restart it completely, etc. and it seems as though others have been experiencing similar issues:
https://discussions.apple.com/message/19236413#19236413
https://discussions.apple.com/message/19171533#19171533
https://discussions.apple.com/message/19106906#19106906
https://discussions.apple.com/message/19137798#19137798
It seems as though the problem may lie more with applications running but not displaying as if they're running, i.e. won't appear on dock, or if it's a native app, icon won't have indicator light, and also not available in cmd+tab menu.
Certainly odd behavior.

Update to 10.10.2 breaks dock, cmd+tab

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