arttext

Then look in Explorer for a drive not in use. or better yet: Do mountvol(enter) It will give you the possible mountpoint drive(s) along...

probably because I have a HD S: already' tried mountvol X: /S (parameter incorrect

Sorry

That has nothing to do with that. This is mounting the EFI partition in volume S: and removing some erroneous Code Integrity Policies...

And what about s: ? In my case, my second win 11 resides on m:

Does this leave my dual boot intact?

Something like that can happen when doing an Upgrade or update as the process reads the whole drive, may not understand there's 2...

You can always hide the update causing the problem.

@arttext The screen resolution is as seen because a 'bug' is preventing the NVidia driver from loading. The message you are seeing is...

It will put your OS in a very unstable state. To correct the issue, elevated cmd, reboot. (This affects the EFI partition data)...

It also blocked the Chrome app

After the latest normal update on my other Win 11 partition, (this one uses insider updates) suddenly the screenres is shovelup and a lot...