Toast 8.01 won't MOUNT.dmg files in Leopard =(

I've just done a fresh install of Leopard and installed all the software I used in Tiger. By some reason, nothing happens when i (in the rightclick) files to be mounted. Nothing happens! I tried to turn the feautre on and off in Leopard with no luck.
I have also found that when i search for plist-files - almost none from third part is found. I just find about 10 of them. Ten! weird
Is my system corrupt in some way or may there be an solution
Best regs,
Fredrik, Sweden

I really need this to work! please help!
/Fredrik

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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.
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Solved , by installing the 10.4.4 combo update!

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
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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

Firefox won't save DMG files and won't mount the disk image. Why?

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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.
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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.
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Francine
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Cant mount .dmg file - gets error -4960

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Things like BBEdit. Downloaded and purchased but now cant install because DMG files wont mount.

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.
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Mounting .dmg files?

Dear Forum,
Having imported the .dmg files from DVD.
I'm unable to install CS3 .dmg files on my Mac G5.
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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)
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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...
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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)

Ever since I upgraded Lion, my iMac does recognize my Garmin devices or mount dmg files from Garmin. What could be wrong?

I get the error that no mountable file system exists. All other dmg files open. My MacBook Air works fine with the Garmins and Garmin files.

And, occasionally it will boot into open firmware.
Seems odd to me. All by itself? Did you press any keys?
I don't know what to do from here. I can still boot into os 8.6 with extensions off.
Most likely, you have a bad extension. They are in a folder called extensions What you need to do is create a new folder and move extensions to this folder. Move extensions to the folder in groups. try 1/2 first. Move back & forth between folders. See which extension is causing the problem. command + n to create a new folder
verify that you have the correct firmware.
Figuring out what level of firmware you have?
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Apple -> Apple System Profiler
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click on the More Info... tab
click on Hardware
read the Boot ROM Version
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Power on your iMac while holding down commandoption+of
The first output line contains the firmware level. Mine reads:
Apple PowerMac4,1 4.1.9f1 BootRom built on 09/14/01 at 13.18.04
Copyright 1994-2001 Apple Computer Inc.
The 4.1.9f1 will be different on a 333 machine.
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http://docs.info.apple.com/article.html?artnum=86117

DMG Won't Mount. File Mount Greyed Out In DU?

Had this problem before.
I can mount the .dmg by double-clicking it but I can't do it in Disk Utility as the Mount command is greyed out.
I believe that last time I was told to hold the Shift or Option key down whilst selecting File>Mount but I can't get it to work this time.

Yes the grey "Mount" changes to "Open".
Last year someone told me how to un-grey the "Mount" in the File menu but I can't remember exactly how or find the original thread.
In those days I was on Leopard so maybe it's changed.
It's not a problem . . . . just one of those irritating little things.

Mac OS 10.7 Server won't mount DMG's after opening and closing - "Resource Temporarily Unavailable"

I am running Mac OS 10.7.3 Server on Mac Pro 2 x 2.66 GHz 6-Core Intel Xeon with multiple users editing on Avid.
DMG's containing raw camera footage are stored on the server, mounted by connected users on their desktops to allow Avid to access the enclosed data within the DMG's. Recently we've started encountering a problem opening the DMG's after they've recently been opened and closed. After opening and closing a DMG. when we try to open it again from the same user/connected computer or any other user/computer we see an error message saying "The following disk images couldn't be opened" NAME OF DMG "Resource temporarily unavailable". This happened to several users with several DMG's.
We have since restarted the server, which appeared to fix the problem for about a week and now we are having the same issue again.
The only changes made recently have been an update to version 4.2 of our ISIS 5000 which all of the Avid systems edit off of, but I don't beleive that to be the cause of the DMG opening issue. I suspect it might be caused by the Pram still thinking that the DMG's are open when they've already been closed.
Not sure if this is relevant, but we had been running only Mac OS 10.7 systems connected to the server but within the last few months we've been adding several more systems including those with OS 10.8.
Has anyone else encountered this issue? Does anyone know the fix to this problem?
Thanks for any and all help!

Also, we have been able to copy the DMGs to desktops and external drives, which normally would not be possible when a DMG is currently open by another user which is the standard situation in which a DMG would say "Resource Temporarily Unavailable".
After copying to another location, they open normally so we believe it is an issue isolated to the server itself.
Thanks!

Why won't the dmg file open automatically?

When I went to download 4 (save file default) it would not automatically open. When I doubled clicked on it it said it did not recognize the disk image, therefore I could not download $.

It does seem to be happening to all forms received. We are using Adobe Acrobat X Pro to create the editable pdfs.
When you ask "being used to save the forms?" do you mean from the person submitting the form back to me? If that is the case then Acrobat X also.

Can't copy files from mounted DMG. What's up??

So all of a sudden, I can't copy files from mounted DMG files. It's strange because if there is one file and I drag it to another location, like desktop, it won't copy. If I drag 2 files from the mounted DMG to the desktop one of them copies. If I drag 3, then 2 copy... it's always all but one of the files... never all of them.
I've tried repairing permissions but nothing works. I'm at a loss...
thanks
D
iMac Core Duo 17", 1.5 gig RAM Mac OS X (10.4.8)

Try holding option when you drag the files. This tells the mac to move the files to the desktop of your computer not the desktop folder of the DMG (usually a hidden folder)
If that doesn't work it may be that you need administrative privileges to move the files. Make sure you are logged on as as an administrator by selecting the account tab in system preferences and making sure it says "admin" under your user name. Log on to or create an administration account then try moving the file.
Hope this helps, let me know
Thom

.dmg's won't mount or create disk image

I'm using a 17" powerbook. I've had no issues in the past year of ownership with downloads (from Apple site or other). Recently, when I attempt to download a .dmg, the image won't appear on the desktop, however it did download. The download file show's it did download but failed to mount. The desktop shows the failed download as shaded out.
I am not using any download accelerator or similar product. This problem appears to have started with my most recent system software update from Apple.
Help and suggestions are appreciated.
PS - this only seems to apply to .dmg's

Do you still have some older dmg files that you can check? Will one that worked in the past still work? When you do GetInfo under the section for "Open with" is the application specified as DiskImageMounter? If not, is that application in the drop down list and can you select it? Finally, do you have the application here:
"/System/Library/CoreServices/DiskImageMounter.app"
If the application for mounting dmg files is there and you can choose it to open the dmg files, or it is already listed as the choice, you might try using Disk Utility to repair permissions. If the older dmg files work correctly, but the new one doesn't, then something is wrong with the new downloads.
Francine
Francine
Schwieder

Toast 8.01 won't MOUNT.dmg files in Leopard =(

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