>This long-running VFP6 application started having internal consistency errors a few months ago and someone called me for help.
>The occurrences are unpredictable but fairly frequent.
>The W/S in question is Win 7, but I don't know much more.
>Any ideas before I start looking at this would be much appreciated.

First 4 things I would try are a) delete foxuser.* off local machines b) validate database & reindex c) use gendbcx to rebuild any relationships or views. d) exclude the database and tables from antivirus on both server and workstation.