Nadya-

> > think your point here and a benchmark test I just ran has convinced me to finally give up my superstition about PEMSTATUS. I got burned by its infamous dangling object reference bug :-(.

>Could you please explain about this bug in detail? I added PEMSTATUS function in one of my class and now after form is closed and I try to modify this class, I get "Class is in use" message. Could it be related?

There was (is?) a bug when using PEMSTATUS in a compound conditional. The solution was to put multiple conditions into separate conditions in separate IFs if they were needed.

Your class in use wouldn't be related, I think. Rather you need to clear the classlib. I generally just do a CLEAR ALL.