I've seen this warning pop up several times over the last few days using B3 and now B4 when I close SlickEdit.
I've tried a couple of times to repro, but no luck.
It seems to happen when I exit Slick after having been using it all day.
[Window Title]
Program Compatibility Assistant
[Main Instruction]
Windows detected that this program did not run correctly
[Close]
[Footer]
What settings are applied?