Komplete kontrol latest update has been installing for three days why?I
Make sure that your Microsoft Defender Security Intelligence is up to date (search for updates in Windows Update).
IF you are on Windows, of course, which you didn't mention.
Version 2.9.1 installing for over 24 hours ?
Much apreciated. Worked perfectly after your suggestion. Microsoft updated major update and then security and defender updates.
I solved this problem with Komplete Kontrol update by installing - NTKDaemon installer.zip. after deleting the one I had