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!

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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

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)

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

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

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?

Ask your question.Can't render get File error access denied. Whats causing this? FCP 7.0.3

I Can't render get File error access denied. Whats causing this? FCP 7.0.3

Its an was update from an earlier version.
What earlier version?
And you're saying when you using File>Import>File and select a JPEG you get the error message?
You can't or shouldn't import MP3s into FCP.
Have you try creating a new porject and importing into that?

Files disappearing from mounted .DMG files

Hi, I've had this issue occur a few times in Tiger and I'd like to know if anyone else has experienced this and if there's a known workaround. Sometimes, when browsing a disk image, or, less commonly, a physical disc like a CD, files in the Finder will seem to disappear from the image/disk when clicked on. First the filenames will go, then the files themselves, and evidently those files then become unreadable in general as applications can't access them. I don't get any error messages; it's just like the filesystem on that disk eats itself away and vanishes. I can unmount the disk without any issue.
I'm having this problem right now with any disk image I mount on my XServe -- it goes through the "Verify" step just fine, shows up on my desktop, I can browse and even open files, but inevitably within a very short period of time the above occurs, and it becomes useless. I KNOW it can't be the .dmg file that's the problem, because if I share the .dmg over Personal File Sharing and mount it from another Mac, this problem does NOT occur. It's just on the one Mac hosting the files. Any idea what this could mean, and what could solve it?
Also, I know a lot of times a restart will cure this weird little glitches, but I would really like a solution, if you know what I mean... particularly on a server, I cannot afford to restart whenever I have a problem.

Sounds like you have run into a very strange, and unfortunately no uncommon, bug involving file systems from either servers or FAT 32 mounted external drives. See this discussion:
http://discussions.apple.com/thread.jspa?messageID=5310151
Read on down away to see some replies from people who did some pretty thorough investigations of the problem.
Francine
Francine
Schwieder

Can't find .dmg file Disk Utility shows is there

I've been trying to clean up/gain space on my G4-12" PowerBook. In Disk Utility it shows a .dmg file that when mounted is an audio CD I received from a friend a couple of years ago. I imported the songs from it at the time, ejected, and that was that. Now I see in Disk Utility that this dmg holds ±500mb of space, but I can't find it to delete it. This is quite strange and never happened before. Find, Spotlight, EasyFind (including looking for invisibles), etc. cannot locate it. In Disk utility it shows the path as /Volumes/<name>, implying it is mounted. Upon clicking 'Open' it mounts the <AudioCD> which then shows up in the left side of my Finder windows. I can open this volume, click on a song and it plays, so it is clear that it does exist and not just an artifact. I can eject the AudioCD and it disappears. But I can't get to the .dmg file to make it go away.
Any ideas on this are greatly appreciated as I've run out of paths to try....but I've not dipped into Terminal so would greatly prefer an alternative if it exists. Thanks in advance!

Have you done a Find/Search using just dmg, rather than a search for the file name?
To increase your HD's free space, look at these links.
Where did my disk space go?
http://www.macfixitforums.com/showflat.php?Cat=&Board=Forum38&Number=770243
Download & use WhatSize described in this link or Disk Inventory X @ http://www.derlien.com/
Freeing space on your Mac OS X startup disk
http://www.thexlab.com/faqs/freeingspace.html
Amazing Disappearing Drive Space
http://www.pinkmutant.com/articles/TigerMisc.html
Increase HD Free Space
http://macosx.com/forums/howto-faqs/275191-how-easily-increase-hd-free-space-lap top.html
How to free up my disk space
http://www.macmaps.com/diskfull.html
 Cheers, Tom

Can't open .dmg files, says its "not recognized"

I have recently tried to mount a .dmg file but a dialogue box will always open, saying that the disk was "not recognized".
I've already checked "From anywhere" under "System Preferences/Security and Privacy/Allow applications downloaded from", so there should be no problem with downloading a .dmg file off the internet, right?
The .dmg is an Adobe Extensions Manager CS4. I'm using a Macbook Pro with OS X 10.8, and yes I already know that particular extension manager is not for this operating system, but this has already happened with a 10.8 version as well.

If you right click on the dmg can you open it?
Use Software Update or the OS 10.8.3 combo update to update your OS. Also, update everything SU has to offer for your computer. When done, repair permissions and restart your computer.

Can't open DMG files...should have never upgraded my OS to mountain lion

Upgraded to OSX 10.8.2 and now I can't run any downloaded dmg files. Says "the Following disk images couldn't be opened". and then say's there "isn't enough disk space" I'm pretty sure it has something to do with apps that are not approved by the app store. How can I turn it off?
I posted this question before and thought the problem has been solved nbut i'm still having this problem.

How much disk space do you have? When you "Get Info" on a .dmg file, is it set to open with "DiskImageMounter.app"? Should have nothing to do with your Security settings just to mount a disk image.
Clinton

Mounting .dmg files?

Dear Forum,
Having imported the .dmg files from DVD.
I'm unable to install CS3 .dmg files on my Mac G5.
With the .dmg in the applications folder I double click on the .dmg file in finder. The file appears to mount. Then in finder Go I select computer and double click on the CS3 Icon.Then the setup Icon appears I double click on it and a window appears saying "System Requirements Error This software cannnot be installed because the file system of the OS Volume is not supported".
Assistance please.

O.K. I know this sounds weird.
I'm planning to do a clean install of Leopard with the Internal HD formatted with Mac OS Extended (Journaled)
There are 2 HD Icons in Disk Utility. 1. Mac HD 2. 149.1 GB Samsung SP1614C
When I highlight the Mac HD Icon in Disk Utility and select Erase the Mac HD reads as Mac OS Extended (Journaled) The only option highlighted if Erase Free Space.
When I highlight the 149.1 GB Samsung SP1614C Icon in Disk Utility and select erase the Samsung reads as Mac OS Extended (Case Sensitive Journaled) There are no options highlighted.
Can you explain that?

I can't attach DMG file, I need you to help me!!! Please

<Edited by Host> So, I can believe you can solve my problem.
I have problem, but, I doesn't know why it come. I don't know what i've do with my macbook. Recently, I used MacOS Tiger version.
When I open the DMG files, it can't be mount well. It error and said: Device not Configured.
Anyone have experienced it??? Please help me!!! Please!!! I can't attach images here. But, if you want it, please contact me at: [email protected]!!!

Never post your email address in a public forum. Spam bots roam public forums looking for "spam victims".
If you insist on using your email address in a public forum & you want to "trick" the spam bots, then suggest that instead of using "@ "in the email address, use instead the actual word AT.
Regarding responding to your emal addy, we ask that you post all questions to the appropriate discussion forum. This allows other users and other helpers to have a chance to view and respond to your post. That way, everyone benefits from the exchange.
Thank you

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

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