OK you've formatted your computer, so it's clean OS, which one? on your profile it's written Windows and Linux => problems are on Windows or Linux?
Which GIMP version?
Did you download it from there https://gimp.org ?
For Linux is it a PPA, AUR, FlatPak, snap, appimage, deb, rpm or so?
Uninstalling/re-install would mostly do no differences if you kept your profile (uninstall does not remove profile)
Which GIMP version?
Did you download it from there https://gimp.org ?
For Linux is it a PPA, AUR, FlatPak, snap, appimage, deb, rpm or so?
Uninstalling/re-install would mostly do no differences if you kept your profile (uninstall does not remove profile)