I`ve been having a lot of crashes with Renoise 3.1.1 particularly on closing projects but am having a hard time knowing what VST/s are causing it
However Ive found Native instruments Phasis 1.0.0 will crash renoise consistantly when it is deleted from a song. It doesnt matter if plugins are set to sandboxed or not.
Windows 7 64bit
Phasis is part of the mod pack which was given as a freebie at xmas iirc: