twassmer

Thanks all. I updated Windows 10 and this removed the issues. Most probably some defective system files… Tom

Thanks again! I am the only administrator on my machine and already deactivated Smartscreen before posting my issue. I also already tried pausing KTS without success but did not exit before. However, it still happens. I can access Services from the task manager and both mmc and services.msc through an elevated cmd window. I reached out there on the KTS forum because in one of the threads about this issue somebody wrote that nothing worked for them but uninstalling KIS. As I like KTS, I hope I will not need to do so… Tom

Nothing - I just try to start any of the system tools going through MMC.exe, e.g. Services.msc KTS was installed 72 days ago. Tom

Thanks Flood and Flood's wife! Ad 1: Attached Ad 2: Just started or just recognized Ad 3: Not so easy as capturing does not work when that screen comes on - no switching between windows. Needed to take a picture of my screen with my cell phone. Tom

KTS blocks MMC.exe and probably other system apps. What can I do without uninstalling it? Win 10 Pro.