New
#11
My AV is just MS Defender. And my worry is that using Safe Mode and deleting it could cause harm on the next boot up.
Win 10 PC, 21H1 has an old ESD ISO mounted as a virtual drive
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New #12
No... it's just an ISO. It's not "part" of Windows.
There's two possibilities here...
1. the ISO is causing the problem
2. something else is causing the problem.
The way to find which of those two things we need to troubleshoot, is to unmount that ISO, and try a different ISO.
You can't start troubleshooting by "betting" that this mounted ISO is good. You have to KNOW it's good, to be able to move on.
Problems like this is WHY Safe Mode exists.
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New #13
Start a Command Prompt as Admin. Type
mountvol H: /P
where H: is the drive letter of the virtual CD Drive.
The /P flag Removes the volume mount point from the specified directory, dismounts the basic volume, and takes the basic volume offline, making it unmountable. If other processes are using the volume, mountvol closes any open handles before dismounting the volume.
https://docs.microsoft.com/en-us/win...mands/mountvol
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New #14
Power2Go was the culprit
Figured it out. Some time ago I apparently used Cyberlink Power2Go to create a virtual drive, presumably to do a Windows 'version' upgrade that wasn't working properly through Windows Update. It seems that even though SYSTEM process was shown as having it open, Cyberlink Power2Go had it mounted as a VHD longer after the one thing I'd have mounted it for. Once I found that, took a minute to get it to unmount, and then to delete the old .iso file.
In Explorer, right click on the drive and it would show. Select the Cyberlink option, Power2Go opens, lets you dismount the VHD.
So thanks for all your advice and suggestions - I learned a lot from them. Plus learning about Unlock It - a very powerful tool.
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