I found the problem. My logic was not correct and certain prgs where using editsource() instead of modify command. Thanks for pointing me in the correct direction.

>I am using foxtabs. Let me get rid of that and see if it makes a difference.
>
>
>>Did you install any tools from VFPx maybe?
>>
>>>I am using vfp9 sp1 and I did not change anything that I can think of.
>>>
>>>>What VFP version are you using?
>>>>What did you change at that time in VFP?
>>>>
>>>>>
>>>>>Only some of the programs have the problem. And it started a couple of months ago.
>>>>>