I haven't the SP1 installed. There is no lines of code such as 'set step on'
What is stranger is that suddnly i have the error no more.
I'll try to understand what happened and let you know.
thank you
Alessio

>Alession,
>
>>I noticed that an application which run perfectly (almost perfectly) on Me gives me Fatal error on XP environment. I also have problems running the application in VFP environment, not launching the exe file i mean, while it doesnt 't happen in ME environment. Any Suggestions ?
>
>Do you have SP1 installed? When does the exe crash?
>
>>PS runningthe exe application in the XP I also get a message "Feature not available" i cannot explai, that
>
>This error means that you are trying to execute a line of code that only works in the dev environment like SET STEP ON.