Hello
Maybe problems are not caused by application but OS version. Didn't you upgrade
your operating system to newver version? Some Windows 10 versions are
problematic.

I don't want to blame problems to OS, I am trying to gather information.

Try delete PSCache.BIN file
Check if Recent.ini and PSPad.ini are not corrupted. You can move it out of
config folder and test it. You can retrun it back.

In the program settings / Backup is possibility to backup/restore PSpad
configuration, it will create ZIP from all config files.

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PSPad freeware editor https://www.pspad.com

Odpovedet emailem