>I do and I did, I still get the same problem.
>
>Yes there is Thisform.lockscreen = .T. in the code.

Make sure to put it back to .F. (e.g. if method has a premature return and you forget to re-set it to .f. you may have such strange effects).

So, did I get it right it's run-time problem and in design time your form is ok? That's a relief.