I saw these error in my PC, kindly help to solve these error. Warning 24-04-2012 13:44:19 Diagnostics-Performance 351 Standby Performance Monitoring Warning 24-04-2012 13:11:51 Diagnostics-Performance 351 Standby Performance Monitoring Warning 24-04-2012 11:56:50 Diagnostics-Performance 351 Standby Performance Monitoring Warning 03-04-2012 14:14:47 Diagnostics-Performance 351 Standby Performance Monitoring Error 03-04-2012 14:14:47 Diagnostics-Performance 351 Standby Performance Monitoring

Without specifying more details on your system "history", configuration, settings, etc, it is not easy to guess. Here are some cases and solution including general tests, upgrade BIOS and selective settings: http://way2error.blogspot.com/2011/09/diagnostics-performance-critical-events.html http://social.technet.microsoft.com/Forums/en-US/w7itprogeneral/thread/e1dba365-2d70-44b3-b486-4ef4ea4537ba http://answers.microsoft.com/en-us/windows/forum/windows_7-performance/getting-performance-diagnostic-errors-on-startup/95757515-8864-e011-8dfc-68b599b31bf5 http://blogs.technet.com/b/wincat/archive/2010/03/15/case-study-using-diagnostics-performance-events-as-a-desktop-health-indicator.aspx If nothing from the above helps, give us more information. Regards Milos

Without specifying more details on your system "history", configuration, settings, etc, it is not easy to guess. Here are some cases and solution including general tests, upgrade BIOS and selective settings: http://way2error.blogspot.com/2011/09/diagnostics-performance-critical-events.html http://social.technet.microsoft.com/Forums/en-US/w7itprogeneral/thread/e1dba365-2d70-44b3-b486-4ef4ea4537ba http://answers.microsoft.com/en-us/windows/forum/windows_7-performance/getting-performance-diagnostic-errors-on-startup/95757515-8864-e011-8dfc-68b599b31bf5 http://blogs.technet.com/b/wincat/archive/2010/03/15/case-study-using-diagnostics-performance-events-as-a-desktop-health-indicator.aspx If nothing from the above helps, give us more information. Regards Milos