>>>>>>>Are you using SP1 for VFP8? VFP8 does a better job of noticing that the files are corrupted than earlier versions of VFP. The corruption may have always been there, you're just now seeing it.
>>>>>>
>>>>>>So, deleting all indexes and recreating for all tables will help?
>>>>>
>>>>>Yes, it may help. Kevin's suggestion to check all your cabling is a good piece of advice, too.
>>>>
>>>>I suspected that there can be some network problems, but those problems were before. But error "Invalid Seek Offset" appears after I moved to VFP8! And yes, I instaled VFP8 SP1.
>>>
>>>Back to my original statement (see top of message).
>>
>>I deleted all index tag on all tables, then created new indexes - users STILL getting "invalid seek offset" errors... What steps I should make? move back to VFP7?
>>:(((
>
>Have you tried deleting your Resource files (FOXUSER.DBF/FOXUSER.FPT)? Be sure to get the ones that your application is actually using.
>
>?SYS(2005)

Wow! Can it have some impact? I will delete all of them... thanks a lot.