Wx Mouse movement asserts ...

[micheus]

Try to remember if you were doing something specific like some processing that you use to do that take long time.

I experienced it before, during an operation in Tweak with magnet enabled which it was taking long time to be processed and I decided to exit Wings3d.
Wings3d didn't exit at the first time and after when it was exiting I got this same message. It was more or less that process, but I couldn't repeat it again anymore.