i have a computer that keeps shuting down like after 30 minutes its shut down then i have to reboot it this is a everyday thing what do i do? i mean i have windows vista could that be the cause of its constant shutting down??

... take a look in "Event Viewer" ... you can start the Event Viewer in Windows using the keyboard shortcut [Windows R], typing [eventvwr.msc] and hitting [enter]. ... Navigate in the Event Manager using the menu on the left side using the following path: Applications and Services Logs> Microsoft > Windows> Diagnostics-Performance > Operational. ... This will lead directly to the location that contains performance diagnostics not only for the Windows shutdown but also for standby and boot performance issues. ... a good way to start is to sort the columns by Task Category. Click on the Task Category title and look for Shutdown Performance Monitoring entries. . . ... Posting is provided "AS IS" with no warranties http://img515.imageshack.us/img515/... Grrrr... ....more