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Error: Could not use '(unknown)'; file already in use

Error:
Microsoft OLE DB Provider for ODBC Drivers error '80004005' [Microsoft][ODBC Microsoft Access Driver] Could not use '(unknown)'; file already in use.
 
Solution:
This error usually means that either incorrect permissions are set on the server or the incorrect version of MDAC (Microsoft Data Access Components installed on the server or the version is not correctly installed). You need to ensure the ODBC version you have is 4 or greater. If you are running the web server yourself , you need to setup the settings/permissions on the server. If you are using a web hosting service you will need to contact your provider. They may need to setup a system DSN for you or change the permissions on the directory containing the database.