>Using a top level form, i cal for a report preview; of course to do this I set _screen on. It was working fine, but now after previewing the report I get a blured form like it was drawn twice.
>I already tried the draw method with no result
>
>Thanks

Sergio,
Have you tried setting LockScreen = .T. before calling the report preview and then setting it back to .F. after the report is completed?

HTH
Barbara