5 serious crashes this morning, Steinberg VST issues?

I looked up other crash threads (for Cubase 10) – it might help:

I notice the default response is:
attach the crash dump file located in Documents/Steinberg/Crash Dumps folder which you have done.

Also: try Cubase Safe Start Mode

Or reset preferences: Disabling the Preferences

I know you don’t want to hear it but NVIDIA graphics cards are flagged as a common issue too. I use a pretty old Quadro K600 myself and it’s fine: