Can't mount dmg files, Applications button in sidebar automatically closes Finder, and Flash won't work in browsers

Although these problems don't seem to be related, they all started occurring at the exact same time. To reiterate
1) Any time I try to mount a .dmg file, the setup window automatically closes
2) Any time I go into Finder and click on "Applications" button in the sidebar, the Finder window automatically closes
3) Flash player does not work in any browser
I have tried repairing permissions and this doesn't work.
Can anyone help?

Have you repaired the Disk. You must boot into the Recovery HD to repair the disk. See http://support.apple.com/kb/HT4718 and http://support.apple.com/kb/HT1782

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10.4.4: Can't mount .dmg files or access iDisk

Shortly after updating to 10.4.4 I noticed that my daily automated backups (using Backup 3) weren't working any more. I also found that I couldn't access the iDisk via the Finder icon, or via the Go > iDisk > My iDisk option in Finder. I can still upload to my iDisk using iWeb.
I'm now also unable to mount .dmg files. When I open them in Finder or try to mount them using Disk Utility I get an error message saying that there are 'no child processes'.
What can I do about these issues? Help would be greatly appreciated. Thanks in advance!

Solved , by installing the 10.4.4 combo update!

Can not mount DMG File for Skype

Hi, I am suing Mac Leopard 10.5.6..I download skype from its official website, and I can't mount the DMG file. I tried download it again and restart the computer but it doesn't work. It gave a reason: "Not recognized" for Image "skype 2.7.0.330.dmg"

HI,
*" I am suing Mac Leopard 10.5.6..I download skype from its official website, and I can't mount the DMG file."*
Apple doesn't write Skype software.
Try repairing disk permissions. Launch Disk Utility. (Applications/Utilities) Select MacintoshHD in the panel on the left, select FirstAid, then click: Repair Disk Permissions. Quit DU when it's finished and reboot.
Carolyn

Can't mount .dmg files

I'm new to the Mac. I have "inherited" the machine I'm using from the prior users. It's running OS X 10.2. I have several .dmg files that I'd like to mount so that I can run the programs that they supposedly contain. So far I have succeeded in mounting these files ("volumes"?) only with the root (superuser) account. When I log out of that account, those volumes are gone, of course. I cannot mount these volumes with an "ordinary" admin account. When I try that, the system sort of "blinks" but nothing else happens. And the goal here is to give access to these programs to youngsters who will be using a non-admin account. My assumption here is that the problem lies with me -- not with the system.

I see that this thread has been going for several days so you may have already tried this, but I'll throw it out there just in case...
Occasionally (for me anyway) some part of the underlying mechanism that performs disk image mounting will just suddenly go south. I'll double-click a dmg file, it'll look like it's going to open but then nothing ever appears on the desktop. The only way to get it back in working order is to reboot...
... so if you haven't rebooted your machine recently try that and see if it makes any difference. If this doesn't help you might also want to use Disk Utility to do a "Repair Permissions" on your boot drive... it could be that a permission problem is not allowing the mounting tools to run for anyone except for root.
Upgrading to a more recent version of the OS is a good idea if you've got access to or the money for a newer version of the OS.
From what I understand about the wheel group it's basically more restrictive than the admin group. It's root's default group, but users with admin privileges are not in the wheel group (at least not in more recent versions of OS X). Use of the wheel group was slightly more prevalent in earlier versions of OS X and administrative users were members of both the admin group and the wheel group. But that's not true any more. Since at least 10.3 files with root/wheel ownership are typically those that admins can tinker with if they really need to but only after taking the additional step of using sudo to elevate their privileges.
Steve
20" iMac G5 Mac OS X (10.4.9)

My ipod home button has pushed in to far and now won't work, any suggestions in how to get it back up or should I take it to the apple store?

Most the photos/music/memos are memories I'd like to keep but if I took it into the store would they wipe it?

Try:
http://snapguide.com/guides/calibrate-your-home-button/?utm_expid=69945963-15
fix for Home button
iPhone Home Button Not Working or Unresponsive? Try This Fix
- If you have iOS 5 and later you can turn on Assistive Touch it add the Home and other buttons to the iPods screen. Settings>General>Accessibility>Assistive Touch
- If not under warranty Apple will exchange your iPod for a refurbished one for:
Apple - Support - iPod - Repair pricing
You can do it an an Apple store by:
Apple Retail Store - Genius Bar
or sent it in to Apple. See:
Apple - Support - iPod - Service FAQ
- Make sure yo backup the iPod before.
- There are third-party places like the following that will repair the Home button. Google for more.
iPhone Repair, Service & Parts: iPod Touch, iPad, MacBook Pro Screens

Help! Can't open .dmg files suddenly, and can't find stuffit expander application!

My iMac is currently running on Mac os x 10.5.8, **out of nowhere my computer can't open dmg files. I can't seem to find the stuffit expander application anywhere in my hard drive either, which usually opens these files. Is there another application that can open dmg files? Help Please! I need to open multiple dmg files tonight and can't figure out a way around this. Downloading/running a new stuffit expander application also happens to be a .dmg file. If anyone can help me I'd appreciate it so much!

Do you mean DiskImageMounter was chosen or not?
No change on that .dmg or on on others?
If you want to apply DiskImageMounter to all you have to choose "Change All".
EDIT: Also, Repair Permissions from /Applications/Utilities/ Disk Utility.
Also, George Orville has some interesting advice in this thread
Note this advice is for 10.3 but much of it will apply here.
-mj
[email protected]
Message was edited by: macjack

Can't open DMG-files

I can't open DMG-files anymore because OS X associates dmg-files with another program. Usually when I opend .dmg files a "virtual disk" opened, now another program starts.
I tried the Open with (Openen met in Dutch) function, but I don't know which program I have to choose. When I have this problem on a Windows PC I just select explorer.exe. Which file do I have to choose on my Mac? Or is there another way to solve this?
Mac Mini Mac OS X (10.4.5)

580/3026
Hi mrtn87,
welcome to Discussions!
/System/Library/CoreServices/BOMArchiveHelper.app opens .zip files,
and
/System/Library/CoreServices/DiskImageMounter.app opens the .dmg files.
If you have OnyX, you can try running the "Reset LaunchServices Database" and "Reset links between documents and applications" tasks, see if the problem disappears.
Here is a Terminal command you can try if you don't have OnyX (or one of the usual utilities):
/System/Library/Frameworks/ApplicationServices.framework/\
Frameworks/LaunchServices.framework/Support/lsregister \
-kill -r -domain local -domain system -domain user
Let us know.
Axl

HT1338 can't open dmg files on my new iMac

I have a brand new iMac updated OS X and I can't open dmg files. It appears that I don't have DiskImageMounter. What do I need to do?

The path for DiskImageMounter is Mac HD/System/Library/CoreServices.
EDIT: Get Info on the .dmg and make Open With= DiskImageMounter, then clcik on Change All.

I can't open dmg files on my new MB Air. What can I do?

I can't open dmg files on my new MB Air. What can I do?

How are you trying to open it? What happens when you double-click it in the Finder? In the Finder Preferences do you have Show these items on the desktop: "CDs, DVDs, and iPods" selected?
What happens?

I have a ipad and i can open a dmg file?

I cant seem to open a dmg file in any of the apps i have on my ipad and i am not very good with technology so i dont know what to do?? Please help!

Unsealer would appear to be a program (the .dmg file) that needs to be run on a Mac. What it does I've no idea other than to access 'sealed content' which I found from a quick Google search.
Bottom line... you can not access .dmg files on an iPad. Sorry I can't be of more help.

Can't mount DMGs anymore

Ever since upgrading to 10.5.5 I've been unable to mount DMGs. I've tried, logging in/out, restarting, and zapping my PRAM. Nothing does it, this is what I get whenever I try to mount a dmg by double clicking it: http://img504.imageshack.us/my.php?image=picture1hv8.png
Now, if I open up Disk Utility, drag the DMG into there, and click "Open" toolbar item, then it works.
Any thoughts?

iopossum wrote:
It fails even if I create a new account and try it there.
Have you repaired permissions and HD?

Hi. I have a Dell PC running Windows 7 64 bit. I have the latest version of Adobe Reader, It worked yesterday. Today I have job training to do that is due tomorrow morning and I can't open PDF files. I have to open a guide and read it and take a test

Hi. I have a Dell PC running Windows 7 64 bit. I have the latest version of Adobe Reader, It worked yesterday. Today I have job training to do that is due tomorrow morning and I can't open PDF files. I have to open a guide and read it and take a test tomorrow. I have deleted and reinstalled the application. I have rebooted. I have made sure my PDF's are associated with the program. Every PDF on my computer won't open and I get the same error message. It simply says Attempt to access invalid address. How can I fix this? Thanks.

Hi Don,
I have seen this issue fixed for some users by modifying the following registry key:
The key is "HKLM\System\CurrentControlSet\Control\Session Manager\Memory Management" MoveImages
Set the key to 1 instead of 0 then reboot the machine.
In case you still face the issue try the following registry key change:
The only thing you have to do is rename the following key at the REGEDIT, and everything will be fine !!
BEFORE:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iexplore.exe
AFTER:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iexplore.old
Note: Please take a backup of the registry before attempting this change.
Regards,
Rave

When I try to install Firefox, I get a "can not open output file" error. I was using Firefox before and it stopped working, so I uninstalled. Cannot re-install now.

When I try to install Firefox, I get a "can not open output file" error. I was using Firefox before and it stopped working, so I uninstalled. Cannot re-install now.
== This happened ==
Every time Firefox opened
== I tried to download firefox. ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; AntivirXP08; GTB6.3; .NET CLR 2.0.50727; MS-RTC LM 8)

When you click the download link on [http://getfirefox.com GetFirefox.com], you should be asked if you wish to Run or Save the file. If the described situation happens when trying to Run the download, try instead to Save it and put the file on your Desktop or a similar place where you are certain that you can find it again.
When the download is complete, try double-clicking the downloaded file in the normal Windows Explorer (browse your way to the file from My Computer). This should start the installation.
If you notice in the Explorer window that the file seems to be lacking the Firefox orange/blue icon, rightclick the file and select Properties. The picture should look somewhat like the attached picture (except that mine's in danish, but that is irrelevant) if saved correctly - if it does NOT look like this, please describe the contents or attach a screenshot of the box. Especially what it says under "File type" - it should be "Program"; if it's not, we'll have to look into what the problem could be here.
Slightly off-topic, your Internet Explorer seems to be quite a bit out of date (IE 6, where current version is IE 8), so I would strongly recommend that you try to run Windows Update to get your system updated. If this is a company system (like a Terminal Server thin client machine), this may not be possible, and your system administrator will most likely have to help you.

Can one set "Navigation Pane Buttons" Left Sidebar to 'Default Hidden' and 'Not Open' upon opening Any .pdf document?

Can one set "Navigation Pane Buttons" Left Sidebar to 'Default Hidden' and 'Not Open' upon opening Any .pdf document?

Photoshop has to have full administrator rights to have read/write access.
This means you need to run Photoshop CS5.1 in an Administrator account and set it up to "Run as Administrator."
1. Close Photoshop if it's open.
2. Right click on your Photoshop CS5.1 launch icon then select "Run as Administrator" from the context menu. (You will have to enter Admin Password if UAC is enabled to change this setting.)
3. Launch Photoshop CS5.
4. See if you create and save a document.
Even if you are in an Administrator account you have to do this as Vista's Admin account isn't really the Super Admin as it is in XP so you have to elevate the rights by selecting "Run as Administrator". This setting is sticky so you should only have to do this once. I am not sure why CS3 is suddenly acting as if it does't have Admin rights unless you are running it in a new account that isn't an administrator or maybe uninstalled (cleanScript?) then reinstalled.
If can't create or save a document, check that the account that Photoshop is in is an Administrator account.
To check if you are in an Administrator account...
1. Type user account in your Vista or Windows7 start search bar. (Start search bar is at the bottom of the panel that opens when you click the start Windows start globe located on the far left hand side of your Windows task bar.)
2. Click on "User Accounts" which should show up at the top of the list. This will open the dialog to User Accounts where you can "Change Your Account Type". If UAC (User Account Control) is turned on, you will need to enter the Admin password to change this setting.

What do I need to do to be able to read and write files to a Seagate Backup Plus Slim Portable Drive on BOTH a Mac and a PC? I downloaded "Paragon NTFS for Mac" onto my Mac, so now I can write to the drive, but when I plug it into a PC it won't work.

What do I need to do to be able to read and write files to a Seagate Backup Plus Slim Portable Drive on BOTH a Mac and a PC? I downloaded "Paragon NTFS for Mac" onto my Mac, so now I can write to the drive, but when I plug it into a PC it won't work.

If the HDD is formatted NTFS, then it suggests that there is a problem with the PC. Check with the manufacturer.
Ciao.

Can't mount dmg files, Applications button in sidebar automatically closes Finder, and Flash won't work in browsers

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