Sorry, did not solve my problem.
Windows writes: Error signature:
AppName: photoshop.exe AppVer: 10.0.0.0 ModName: photoshop.exe
ModVer: 10.0.0.0 Offset: 0050c592
And it's regardless of whether I open an existing image file or create a new image file.
did you delete the preferences file(s)?
if yes, reinstall ps cs3.
if no, do so.
Thank you so much for the answer. I have now installed CS3 on my Windows 10 computer and can with a good conscience discard the old XP computer.