"general massive catastrophic system failure"

Dear all,

I use SDL Trados Studio. So far, everything was ok. I could attach TMs to a project without any problem.
Suddenly, this doesn't work anymore. I can't add any TM anymore. I receive the message: "general massive catastrophic system failure".

I've contacted the SDL Trados Support which wasn't helpful at all. I've deinstalled and reinstalled the software, restored my laptop to an earlier date as I thought it might be a Windows 10 problem. But nothing helped.

I use Windows 10 and SDL Trados Studio 2015.

Can anybody help me?
Thank you in advance.

Kind regards,
Caroline