Handle the absence of the WMIC utility

[dartraiden]

Starting from Windows 11 WMIC is an optional component and can be uninstalled by the user. Both prefsCleaner and updater use WMIC to construct the name of the backup file. If the WMIC is missing, an error The filename, directory name, or volume label syntax is incorrect appears. Backup will not be created.

The error text is incomprehensible to the user. I suggest adding a check for the presence of WMIC. If WMIC is missing, display a warning that the backup will not be created and skip the whole backup procedure.

[earthlng]

Hi and thanks for the report.

I've replaced WMIC with a powershell command to get the date-timestamp in the Updater.bat.
Can you test if that works for you?
If it does, I'll make the change in the prefsCleaner as well.

[dartraiden]

Yes, the new updater.bat works correctly 👍

[earthlng]

Okay, thanks for the feedback. I made the change in the prefsCleaner too.