Thank you for your answer, Lutz.

This happens before any form is activated. I checked _SCREEN.AllowOutput and that is .T.. I'm afraid, it is something different.

Any other idea, please!

Gerhard

>>Hello!
>>
>>When my application is started, I check to see if any changes are needed, such as structural adjustments. If so, subroutines are run to make the adjustments. At the beginning of each subroutine a message with "? description" is displayed.
>>This has worked for years, but suddenly the messages are no longer displayed on the screen. But the functions are executed.
>>I have already tried ACTIVATE SCREEN and SET ALTERNATE ON without success.
>>WAIT WINDOW is displayed correctly though.
>>Any idea what is going wrong here?
>>
>>TIA
>>Gerhard Schmidbauer
>
>Touched form.AllowOutput by accident and the output goes to the form, not to the screen?