Nik Collection 4 doesn't work on Windows 11....and now won't uninstall

[Wolfgang ([ Win10, PL+VP+FP, Nik7 / 3.3 ])]

here it is → Issues with Nik4 - #8 by Wolfgang and further links

for compatibility → https://support.dxo.com/hc/en-us/articles/4409304781201