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Windows kernel event ID 41 is a very common error in Event Viewer, now-a-days on Windows 7 and Windows Server 2008. Microsoft recently published an article on how to solve these problems.
The symptoms are a computer restart and a critical error message is recorded in the event log:
Log Name : System
Source : Microsoft Windows Kernel Power
Event ID 41
Level : Critical
Description : The system has been restarted without stopping correctly. This error can be caused if the system stops responding, crashes or unexpectedly loses energy.
Why does the system generate Event Viewer ID 41 error?
The kernel power event ID : 41 errors are generated under various scenarios that cause the computer to shut down or unexpectedly reboot. When the computer running Windows starts, it checks that the computer has shut down properly. If the computer has not shut down correctly, a Kernel Power Event 41 message is generated. In the following three scenarios, an event can be generated
How to repair it? Or how to find the cause?
In this article, Microsoft mentioned 3 different scenarios to explain why this happens and how to remedy it.
Scenario 1 :
The computer is restarted and there is a BugCheckCode stop error in the event data
Scenario 2 :
Turn off the computer by pressing and holding the power switch.
Scenario 3 :
The system randomly restarts and no Stop Bugcheck error code is displayed, or the computer does not respond (hard hang)
For more information on troubleshooting, see this Microsoft support document under KB2028504.