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ISO images keep unmounting automatically

February 5, 2013 at 05:19:23
Specs: Windows 7, DDR2 / 1 gb

hello guys!
I'm facing this problem that I'm not being able to install files from an ISO image.
I have tried almost every program that I could find on net like demon tools lite, alchoal 120%, power ISO, magic iso, clone disk and all those but whenever I mount that Image and start copying files from there it fails in the middle stating "disk is not ready" and naturally the copying process is aborted. and when I go check there that ISO image is automatically unmounted.
P.S: that ISO image was burned by my cousin and it actually holds some video files of a marriage ceremony. it worked completly fine with other pcs only it's mine one which is being this weird. and for some reasons I can't even re-install my window 7. and it's not the only ISO image having problem but some others as well are getting me to the same error ending up in the middle with the same error and getting dismounted automatically. everything else in OS is working perfectly fine. so please is there any soultion I can copy files from that ISO file? thanks in advace

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#1
February 5, 2013 at 07:09:22

You're not storing these ISO files on an external / network storage device, are you? If so, try copying it to your local drive.

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#2
February 5, 2013 at 07:16:44

i even tried copying files to my local hdd from that ISO image but still it gets unmounted when it comes to copy some certain files showing error that "driver is not ready" . however, there is nothing worng with the ISO file basically as I tried dealing with some other ISO's but they are too getting abrupt in the middle failing on the same error where image gets unmounted mysteriously :(

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#3
February 5, 2013 at 07:19:26

I'm talking about the ISO file itself, and not the files contained within the ISO file.

To be honest, it sounds like you have a misbehaving filter driver, which is indicative of malware. I'm just trying to rule out the easy stuff first.

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#4
February 5, 2013 at 07:58:28

well, the ISO file itself is already on my local disk and I tired to mount it on any virtual driver through demon tool, powerIso and all those but in every case it aborts the copying process in the middle whereas the image gets unmounted at the very time. if there is any problem then in it has something to do with virtual driver 'cause I receive error only when the image gets unmounted for some reasons. btw my system is always under the guard of avast latest version but if there's still any malware or anything just let me know how to get it fixed. it would be much more appreciated

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#5
February 5, 2013 at 08:02:31

I've noticed that the ISO image gets open properly and doesn't get automatically unmounted unless I try to Open/copy some certain files from there. it's like half of the files are getting copied/opened with no problem but when it comes to the rest of files. it gets unmounted all in a sudden aborting the copying process and states that "drive not ready" error.
however, it's another fact that there's nothing wrong with the subjected ISO image as I tried to run some other ISO images that contain games and soft etc but their installation also comes to a dead end in the middle with the same error and virtual driver empty having no image mounted at all.

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#6
February 5, 2013 at 12:10:36

Okay, let's check the filter drivers.
(Open) Device Manager -> Find the virtual DVD-ROM -> Right click -> Properties -> Details -> Property -> Locate: "Device Upper Filters", "Device Lower Filters", "Class Upper Filters", "Class Lower Filters" -> Tell me what you see.

You could also try copying the files with your anti-virus disabled.

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#7
February 5, 2013 at 20:44:19

sorry man, but there is no such option like "device upper filter or anything. now ? :(

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#8
February 10, 2013 at 06:16:08

Well, we could manually hunt down the driver chain through the registry, but that's a pain, modifying the registry runs the risk of "losing" hardware, and since ISO mounting programs employ rootkits, there's no guarantee we'll find the problem.

Have you tried a program that lets you copy files from ISOs without opening them? I suggest 7-Zip.

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