Website Creator doesn't start

Downloaded and installed WSC. Everything ok. But the program won't open. After doubleclicking the icon nothing happens. At least nothing to see. In the taskmanager the program is listed as running (in background) and it takes up to 16 % of my CPU. Even waiting for a few minutes (maybe there is a backup loading in the background or a temporaliy problem with the authentificatonserver...) doesn't help. The program won't show up. Testing several compatibilitymodes - no way to get the program started.

Any idea anybody?

Thanks in advance

Ruediger

P.S. I forgot...I have Win10 - all updates. CDR and the other X8 Corel program are running smooth.