Brink Thanks for the link. I tried Option One ("Go back to Previous Windows from Windows 10 in Advanced Startup options") unsuccessfully. On my Home version I dont have the link "See more recovery...

For some unknown reason I cannot any more navigate to Update panel from "Einstellungen" - it is blocked.

I have to cancel the "Einstellungen" window by the task manager !

So in this moment I...

Kari Problem solved and a nice pictorial help which made the solution absolutely clear.

When an acquaintance of mine and I run both Skype from the Desktop ( means: not the Skype-Video app )
then appears on the video window of both participants a couloured window region wherein
the...