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Windows 7: Kernel Power Error Event ID 41 Task Category 63 when gaming

19 Jul 2015   #1

Windows 7 Home Premium 64-bit
Kernel Power Error Event ID 41 Task Category 63 when gaming

Hi all

This is my first ever post to SevenForums and I am not particularly tech savvy so please excuse me if I miss any information.

Specs: AMD FX(tm)-8350 Eight-Core Processor
Manufacturer: AMD
Speed: 4 GHz
Number of Cores: 4
Video Card: PowerColor Radeon HD 7970 3GB OC
SSD: Samsung 840 Series 120GB 2.5" Solid State Drive/SSD
HDD: Seagate Barracuda ST2000DM001 3.5" 2TB SATA 6.0Gb/s Hard Drive
RAM: Corsair Vengeance Low Profile CML8GX3M2A1600C9 8GB (2x4GB) DDR3
PSU: Corsair GS-700 V2 80 PLUS Bronze Power Supply
MOBO: Gigabyte GA-990FXA-UD3 Motherboard
Operating System: Microsoft Windows 7 Home Premium SP1 OEM 64-Bit

I started getting crashes while playing games about 6 weeks ago. It started as my computer shutting down and restarting spontaneously, then the BSODs started and it also sometimes just freezes. All three types continue to happen with no discernible cause for the difference in crash type, but all only when I am gaming. It happens with the same frequency whether playing Witcher 3 (graphically intensive) or CS:GO (not intensive). All of the crashes give the same event ID 41 task category 63. Most of the crashes give a BugCheckCode of 0, but some give a number that seems to randomly change (59, 30, 254, 252). I have translated these to hex and searched for them on the Microsoft website with no real results except for two of them mentioning Avast, which I don't have installed.

I originally thought it must be my graphics card overheating so I got some compressed air and cleaned out all the dust (which there was a lot of as it is about 2 years old). I have been monitoring all of the temps with HWMonitor, but they all seem to be within safe ranges. I havent changed any hardware since I added a dedicated sound card about a year ago. The only software that has changed in that time has been Windows updates and whatever updates I need for my graphics card.

I then thought it might be that my PSU has degraded over time such that it can no longer handle the surges that come while gaming, but I calculated the wattage that my rig should need and it is still well below the 700W that my PSU should be giving, even allowing for some degradation. I changed the outlet that my PSU was attached to in case it was faulty and I have monitored the rails using HWMonitor and 12V has not dropped below 12 and the 5V has not dropped below 5 while gaming. The only value that shows any significant fluctuation is the CPU VCORE, which has a Max of 1.440V and a Min of 0.936V, but I understand that is normal as the load requirements change. I considered buying a PSU tester but I thought I should exhaust all avenues before spending money on something that might not even be the problem.

My next thought was that it might be RAM or SSD/HDD. I did a Seatools test and everything came up normal for both SSD and HDD. Last night I did a memtest86, which I cancelled after 11.5 hours. I will try to attach a photo of the screen but it had basically done almost 2 full passes with no errors. I would have liked it to do more passes but the hammer test seemed to take about 8 hours first time round. Could that be indicative of a problem, even though no errors showed? I have also reseated my ram and could try using the spare slots on my MOBO, but that seems a bit pointless seeing as the Memtest came up clean.

I did a malware scan using both MSE and AVG, neither finding anything. I have also reset my BIOS to factory.

One of the threads I found suggested that sound drivers could cause complications and I noticed that I have three sound devices in my Device Manager. AMD HD, ASUS Xonar DX and Realtek HD. I use my onboard sound for my headset and a dedicated sound card for my 2.1 speaker system, which I understand are Realtek and ASUS, respectively. Should I get rid of AMD?

As far as I can tell I have done everything a layperson can do to troubleshoot and probably need some help debugging the crash dump files, located here: - best file hosting solution, with no limits, totaly free.... Any other advice is greatly appreciated by me and my long-suffering CS:GO team mates.

Again, I am not good at computers so I dont know if I have uploaded the dump files or posted that photo correctly.

My System SpecsSystem Spec
19 Jul 2015   #2

Windows 7 Home Premium 64-bit

Morning bump
My System SpecsSystem Spec
20 Jul 2015   #3

Windows 7 Home Premium 64-bit

Another morning bump
My System SpecsSystem Spec

20 Jul 2015   #4

Windows 7 Home Premium 64-bit

Screenshot of HWMonitor stats, during gaming, about 5-10 mins before a crash.
My System SpecsSystem Spec
21 Jul 2015   #5

Windows 7 Home Premium 64-bit

My System SpecsSystem Spec

 Kernel Power Error Event ID 41 Task Category 63 when gaming

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