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Windows 7: Computer reboot - Kernel-Power (ID41)

19 Jul 2011   #1

Windows 7 Ultimate x64
Computer reboot - Kernel-Power (ID41)

My computer crashed and rebooted while I was playing a game (Borderlands) with everything on the highest settings.
I checked the Event Viewer, and it was listed under a Critical error, Kernel-Power with ID 41 and Category 63 with this description:

The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.

Can anyone help? (Should I run Driver verifier to see if it's caused by a driver?)

My System SpecsSystem Spec

20 Jul 2011   #2

Windows 7 64b Ultimate

Hello Aidenz, welcome to SF!
The quickest way for us to see what's up is for you to upload some info as instructed here:
My System SpecsSystem Spec
23 Jul 2011   #3

Windows 7 Ultimate x64

It happened again today, so I'll post the requirements

Is Windows 7 . . .
- x86 (32-bit) or x64 ? x64
- the original installed OS on the system? None
- an OEM or full retail version? Full Retail

- What is the age of system (hardware)? Less than a month old
- What is the age of OS installation (have you re-installed the OS?) Less than a month old, I haven't re-installed.
My System SpecsSystem Spec

24 Jul 2011   #4

Windows 7 64b Ultimate

Regretfully, your system is not set to create dumps. Please follow these instructions for that to happen correctly, next time you have BSOD:

To ensure minidumps are enabled:

Dump Files - Configure Windows to Create on BSOD

Go to Start, in the Search Box type: sysdm.cpl, press Enter.
Under the Advanced tab, click on the Startup and Recovery Settings... button.
Ensure that Automatically restart is unchecked.
Under the Write Debugging Information header
Select Small memory dump (256 kB) in the dropdown box (the 256kb varies).
Ensure that the Small Dump Directory is listed as %systemroot%\Minidump.
OK your way out.
Reboot if changes have been made.
It looks as if you run Daemon tools. If so please de-install. In Windows 7 it's a notorious BSOD source.
Please remove any CD virtualization programs such as Daemon Tools and Alcohol 120%. They use a driver, found in your dmp, sptd.sys, that is notorious for causing BSODs. Use this SPTD uninstaller when you're done: DuplexSecure - Downloads
You can use MagicDisc as an alternative.
Please also de-install SimPack. It has caused a lot of crashes, according to your logs.

Please post back any results.

Most of
My System SpecsSystem Spec
24 Jul 2011   #5

Windows 7 Ultimate x64

Quote   Quote: Originally Posted by MvdB View Post
Regretfully, your system is not set to create dumps. Please follow these instructions for that to happen correctly, next time you have BSOD
I did that after the first time it happened, I don't know why it doesn't appear...
Do I have to try and recreate the problem? (Also, I don't have a BSOD, the PC just shuts down and reboots again)

I also can't find "SimPack" does it say what it is or where it's located?
My System SpecsSystem Spec
24 Jul 2011   #6

Windows 7 64b Ultimate

Actually, simpack (and Steam, which you are also running) is part of some gaming environments and also sometimes used to do illegal stuff i cannot condone.. But because it is used a lot in that kind of gaming environments, it is also a possible malware entry point. Assuming thats not what you are doing, it could be a good idea to fully scan your system, both AV and for malware with Malwarebytes or something like it....
My System SpecsSystem Spec

 Computer reboot - Kernel-Power (ID41)

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