We have a strange issue with a FoxPro application. From time to time some DBF files are locked and from FileMon I can see "Sharing Violation" error. Developers says that there is no error in the application and that it works when it run on users' PCs. It's just enough to log off all application's users and everything works again normally for a while (sometimes an hour, sometimes a day) I have come across Microsoft article http://support.microsoft.com/kb/818528/ were it is suggested to change Windows behavior to maintain the data structures per users instead of per computer but I'm not sure if it helps as we don't have such a problem with any other application. I don't want to change the setting yet because I don't want to screw up other published applications on our servers. Server configuration: Citrix Metaframe XP, Windows 2000 SP4 Do you have any idea? Zygmunt Cwalinski Systems Analyst, Citrix and Terminal Services Network Services, Infrastructure Support, IT Metroland Media Group Ltd. e-mail: ZCwalinski@xxxxxxxxxxxxx