Analyze your event logs.
Event Log Explorer is a free software for viewing, monitoring and analyzing events recorded in Security, System, Application and another logs of Microsoft Windows NT/2000/XP/2003 operating systems. It extends the xstandard Event Viewer monitoring functionality with features which include a Multi-document user interface (MDI) to view several event logs at one time, the archiving of event logs, exporting of logs to different formats etc.
Windows NT/2000/XP/2003