Open Event Viewer
Event Viewer is a tool that displays detailed information about significant events (for example, programs that don't start as expected or updates that are downloaded automatically) on your computer. Event Viewer can be helpful when troubleshooting problems and errors with Windows and other programs. For more information about Event Viewer, see What information appears in event logs (Event Viewer)?
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Open Event Viewer by clicking the Start button 
, clicking Control Panel, clicking System and Security, clicking Administrative Tools, and then double-clicking Event Viewer.
If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
