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Run-time error 91 when pressing Esc in Hover Box selection dialogs

Posted: 30 Oct 2026 12:32
by JDługosz
XYplorer 28.40.0600 (64-bit)
Windows 11 25H2, build 26200.9711

I encountered an error when cancelling a selection dialog without making any changes:
  1. Open Configuration → File Info Tips & Hover Box.
  2. Click Select Item Types… or Select Context….
  3. Press Esc without changing anything.
Instead of returning normally to Configuration, XYplorer displays a dialog titled “shutdown”:
Run-time error '91'
Object variable or With block variable not set
Screenshot attached.

While the error dialog was still open, I collected a full process memory dump, thread stacks, loaded-module details, relevant saved settings, and executable version/hash information. I can send these privately to the developer on request.

Re: Run-time error 91 when pressing Esc in Hover Box selection dialogs

Posted: 30 Oct 2026 16:48
by admin
Can't reproduce. Given the slight weirdness of your other screenshots: are you running any 3rd party themes or skins on your system?

Re: Run-time error 91 when pressing Esc in Hover Box selection dialogs

Posted: 30 Oct 2026 23:03
by jupe
I don't know if it is related at all, but I have been getting the same error dialog, but it happens to me intermittently when I select "Edit Location..." from a BTB ctxmenu. (before the dialog ever shows)

I wouldn't think much code runs in that circumstance, so maybe that might help point to the culprit, at least in my case. I am inclined to believe it has something to do with the Glow Up header, since it only started after that was added.

Thankfully the error is non modal so I can perform a save before ok'ing the dialog, which then silent closes XY.

Re: Run-time error 91 when pressing Esc in Hover Box selection dialogs

Posted: 31 Oct 2026 13:15
by admin
Can't repro any of this. But "intermittently" is always bad news because it means it's complex and probably Windows or 3rd party is involved.

Re: Run-time error 91 when pressing Esc in Hover Box selection dialogs

Posted: 31 Oct 2026 23:00
by jupe
Yeah I didn't think you would be able to repro, that's why I hadn't mentioned it until now, I have the impression that there is some triggering action during a session that sets the required conditions for it to happen, I will keep trying to find what that is.

Re: Run-time error 91 when pressing Esc in Hover Box selection dialogs

Posted: 31 Oct 2026 23:49
by admin
I have a feeling you will find it. :)