Yes, it could be file corruption. I'd look at the FoxUser file first.

>Actually the program works fine on my development machine. The error only occurs when executed on a runtime installation of the same software.
>
>Given that the only difference is the data files, could a damaged file cause such an error? Maybe I could reproduce the error if I got a copy of the users data?
>
>>Have you verified that the field list is correct and the values are the proper data type?
>>
>>>It always occurs in the same place.
>>>
>>>It is performing an SQL INSERT.
>>>
>>>
>>>>Does this always occur in the same place in the program? What is the application doing when this occurs?
>>>>
>>>>>I am running 6.0 SP3
>>>>>
>>>>>>C5 errors are basically GPFs. There are a few things you might be able to do. What version of VFP are you running?
>>>>>>
>>>>>>>I have an application which gives a VFP terminal error C00000FD.
>>>>>>>
>>>>>>>What does this error mean? Where do I go to look up such errors?
>>>>>>>
>>>>>>>
>>>>>>>Thanks in advance