.iso Associations corrupted. Cannot mount .iso files !! Cannot Repair!


  1. Posts : 12
    Windows 10
       #1

    .iso Associations corrupted. Cannot mount .iso files !! Cannot Repair!


    Hi guys.
    When I try and mount an .iso explorer freezes and locks up. I've tried setting default programs, changing file associations, installing different image software like Poweriso, Dameon Tools etc., nothing works. I simply cannot handle .iso files for some reason. Can anyone help? Thanks,
    Chris
      My Computer


  2. Posts : 7,086
    Windows 10 Pro 64 bit
       #2

    Running sfc /scannow from an admin command prompt is worth a try first for problems like these. Otherwise, you can try System Restore from a previously working state, restore from backup (you do have one?) or a repair install of Windows.
      My Computers


  3. Posts : 12,413
    Win10 Version 21H2 Pro and Home, Win11 Pro
       #3

    Before using the more drastic solutions I'd copy the .iso files onto a removable device and try them on a different computer, possible for them to be corrupted. If the .iso files are larger than 4GB the removable device will need to be formatted as NTFS [it's a limiting factor of FAT32 that most USB Thumb drives come as].
      My Computers


  4. Posts : 12
    Windows 10
    Thread Starter
       #4

    Thanks guys, I think it actually may be some corrupted source files actually. I removed Virtual Clone Drive and installed Daemon Tools Lite and other .iso files seem to execute fine, just not that one in particular so I'm re-downloading the file.

    Thanks!!
    Some logical responses for sure.
      My Computer


  5. Posts : 12,413
    Win10 Version 21H2 Pro and Home, Win11 Pro
       #5

    Glad you got it fixed.
      My Computers


  6. Posts : 7,086
    Windows 10 Pro 64 bit
       #6

    I was trying to mount an ISO file in my user account today and I couldn't see the Mount option on right clicking the ISO file. I then discovered the .iso file type was assigned to Nero software. The Mount option reappeared a soon as I reassigned the .iso file type to Explorer. Strangely, the .iso file type no longer appears in the list of file types.

    Did you check the file association for .iso files to check it didn't get reassigned like the problem I had?
      My Computers


  7. Posts : 11,170
    Windows / Linux : Arch Linux
       #7

    cfowler said:
    Thanks guys, I think it actually may be some corrupted source files actually. I removed Virtual Clone Drive and installed Daemon Tools Lite and other .iso files seem to execute fine, just not that one in particular so I'm re-downloading the file.

    Thanks!!
    Some logical responses for sure.
    Hi there

    Windows 8 / 8.1 / 10 DO NOT NEED Daemon tools or any of these "Virtual drive" handlers. These versions of Windows will handle Virtual ISO files natively -- simply either click on the iso file or right mouse click and choose mount (both from File explorer in Windows).

    Installing Daemon tools or Virtual Clone drive will probably just hose up your system.

    Cheers
    jimbo
      My Computer


 

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