= doc.FAQ.MyODBCConnectivitySuddenlyStoppedWorkingAltogetherWhatDoIDo %TOC% *License expiration. *Installation of database patches, operating system upgrades, or anti-virus software. Consequently, users take the following action: *Search their entire machines for expired, temporary licenses. *Delete temporary licenses. *Send permanent keys to [[OpenLink]] Product Support for review. *Ascertain whether or not patches, upgrades, or anti-virus software has been applied to the affected machine. ----