It is difficult to track down C5 errors. More often than not, deleting the FoxUser file solves the problem. Short of that, search for C5 on the Fox Wiki for more info.

>Hi,
>I have a problem in the form with SET SYSFORMATS ON
>
>SET CLASSLIB TO myclasslib.vcx
>lo = CREATEOBJECT("myclass")
>
>myclass based on form and modal, also it has PRIVATE datasession, and in the LOAD of form has standard way to make SET for private datasession...
>In debuger SET("SYSFORMATS") is "OFF" as default.. and when.. in the code line SET SYSFORMATS ON - then happen C0000005 error.. and program crush.
>
>How to avoid this?
>P.S. - its VFP8 application
>
>Denis