https://www.tntware.com/tntconnect/help/faq_en/pages/how-do-i-recover-from-a-corrupted-database-file.aspxYour database file might be corrupt if you begin to receive an error such as the following: The Microsoft Jet database engine cannot find the input table or query... Unrecognized database format... The Microsoft Jet database engine stopped the processenCommunityServer 2008.5 SP2 (Debug Build: 40407.4157)