>>Do you have some code checking if a certain directory exists?
>>IF DIRECTORY("E") etc...
>>I had exactly the same error running this code:
>>

>>FOR lnDriveNr = 3 TO 26
>>	*
>>	lcDrive = CHR(64 + lnDriveNr)
>>	*
>>	IF DIRECTORY(FORCEPATH("MyFolder", lcDrive + ":\Projects"))
>>		*-- Here the error occured.
>>	ENDFOR
>>	*
>>ENDSCAN
>>

>
>Yes, Christian but I haven't actualized since a few month the last system which shows that problem right now.
>
>I suppose I have to ask for more details to isolate the forms which causes the error.
>
>Thank you.
>
> Héctor

In my code it always happend when you had a CD in the CD drive, and after you put out the CD, the IF DIRECTORY("D") code would raise the error. When you put the CD back in, then the programs work again.