>>SET CLASSLIB TO didn't work either. Does this happen to anyone else? Has anyone heard of this problem before?
>
>Yes, I've seen it in the case of two people opening the class library at the same time (on a network), which is allowed, but individual classes cannot be...but that's only a network problem. In your case, can you open class after you shutdown vfp and reopen it?

That's the only way I can open the form (toolbar), is to shutdown Vfp and reopen it.