This is a strange one that has only started happening after the update to 6.0.5.
All the GUI’s freeze. Cubase keeps working and you can delete each plugin gui but you cannot get them back. You can save but eventually have to shut down as eventually nothing works.
The only plugins I have been using are tried and tested with previous versions.
This seems to happen when I am listening to something on a loop and I have not issued any commands.
PC i7 intel 3.2 x 6
Windows 7 64 bit
12 Gig RAM
UAD 1 x2
UAD 2 Solo x1