>>Have you verified it's not actually running? Or is it running and then just not saving the data?
>I set step on in the GetNextID code.
>it stops there in win7 not in win8

could be some pathing or security behaviour under W8 changes code path before the call to GetNextID is reached.
Something like if used("idtable") if previous alternatives to open were coded in a case missing an errorcall in otherwise...
Write out a coverage log when saving or step through the code early in saving...