Windows
File would not reopen after Windows 11 upgrade
A file that was left open during a Windows 11 update would not open again. Rebooting the machine cleared the issue and the file opened successfully.
Killed once by someone from XL.net, on 2025-11-10.
Affects
Versions
- Windows 11
What you see
- Opening the same file produced a prompt or error after the upgrade.
Why it happens
Likely Suspected stale file lock or session state after the file stayed open during the update.
When it shows up
A file was open when a Windows 11 upgrade completed and the same file then fails to open on that machine.
You are in this case if:
- The file opens successfully after a reboot of the machine.
1 fix below
The steps that killed it
The steps are behind a quick check
There are two ways in and both take a few seconds. Signing in opens the steps on every bug page; so does reading the picture.
Or answer this
Drawing a picture for you.
Can't read it? Sign in instead.
Someone from XL.net killed this on a Windows computer on 2025-11-10. It is written up from that one repair, so it cites no outside page.