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Hello, I've had this issue happen once before a few months ago and I reinstalled windows 11 completely new, removing everything from my computer which seems to have fixed the issue. However as of earlier today, I installed 4 new updates listed below:
2024-07 Cumulative Update for Windows 11 Version 23H2 for x64-based Systems (KB5040442)
2024-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5039895)
Security Intelligence Update for Microsoft Defender Antivirus - KB2267602 (Version 1.415.15.0) - Current Channel (Broad)
Windows Malicious Software Removal Tool x64 - v5.126 (KB890830)
Since then, my cpu temps are at a steady 64-65c and increase up to 85c when I open a video game, for example.
The only way to normalize this is if I open Task Manager, which reduces it to 30-33c on idle and then goes up to 60-70c or so when I'm gaming.
I've run a full scan of my computer as well as an offline scan, checked anything that might be malware but it only seems to happen when I download a windows update (which is what happened last time too).
How do I fix this?
Hello,
when checking Task Manager, details tab, can you tell what process is using the CPU?
Some updates do have post install tasks. Malicious Software Removal Tool is one of them, but it shouldn't take more than 10 minutes after installing to complete it's scan, unless interrupted or some error throws it into a loop
@Rafael da Rocha
Hi Rafael, unfortunately I can't figure it out because anytime I open Task Manager, my CPU temps immediately go from 65c+ to 30-33c. As far as I can tell it's either: System Interrupts, I did see Malicious Software Removal Tool as well once or twice, and Antimalware Service Executable. When I FIRST open Task Manager and the immediate change in both temperature and noise (from my CPU fan), it shows "Task Manager" as using 100% CPU but only for 0.1 seconds before it quickly disappears.
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Consider a BIOS update.
Use Resource Monitor for this type resmon in Start Search to check which processes are using your CPU without opening Task Manager.
Check under Event Viewer > "Windows Logs" > "System" for any errors or warnings that coincide with the high CPU usage.
Ensure that the drivers and Windows are updated.
Hi @S.Sengupta whenever I open Resource Monitor it's the same thing I described above, my temps go from 65c+ to 30c+ immediately. I have narrowed it down to maybe Antimalware Service Executable, Malicious Software Removal Tool or simply "Task Manager". I can't tell because the sudden change in temperature and CPU fan noise changes IMMEDIATELY when I open Task Manager and or Resource Monitor.
As for Event Viewer, I checked as you suggested above in Windows Logs > System for any errors and warnings, there have been multiple as far as I can tell but I don't know what I'm looking for exactly. For example one of them is an Error that happened earlier today labeled "Event 1796, TPM-WMI" and in General it states "The Secure Boot update failed to update a Secure Boot variable with error Secure Boot is not enabled on this machine.. For more information, please see https://go.microsoft.com/fwlink/?linkid=2169931"
Another one was "Event 7000, Service Control Manager" (this error occurred 3 times at 4:46 PM, 4:34 PM and 4:33 PM)
The WinRing0_1_2_0 service failed to start due to the following error:
The system cannot find the file specified.
There was a warning labelled "Event 10016, DistributedCOM) at 4:29 PM
General says:
The application-specific permission settings do not grant Local Activation permission for the COM Server application with CLSID
{2593F8B9-4EAF-457C-B68A-50F6B8EA6B54}
and APPID
{15C20B67-12E7-4BB6-92BB-7AFF07997402}
to the user (My PC name) SID (S-1-5-21-3793094044-225409732-646842529-1001) from address LocalHost (Using LRPC) running in the application container Unavailable SID (Unavailable). This security permission can be modified using the Component Services administrative tool.
What am I looking for and how do I fix it do you think?
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Hello.
High CPU temperatures can be caused by a number of factors, including hardware and software issues. In your case, it could be related to the recent updates, but there could be other underlying causes as well. Here are some troubleshooting steps:
Hardware-related issues:
Software related issues:
Best Regards,
Hania Lian
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If the Answer is helpful, please click "Accept Answer" and upvote it.
Hi @Hania Lian my most likely guess is it was the recent updates, especially considering this had happened once before right after I installed one or more Windows Updates.
As far as troubleshooting my hardware, my cooling all works as it should, I've checked all my fans and cleaned it all out with compressed gas, especially my CPU fan. Thermal paste should still be good as it was only set 2 years ago and as I said, normally idle temps are 30c.
I've had no issues with hardware compatibility since getting my PC and have made no replacements nor upgrades to my hardware.
As far as my software, my CPU and motherboard should be up to date.
My power setting is by default set to high performance mode due to being a gaming desktop (not a laptop) and I haven't changed that myself. However, it would not explain why my CPU temps are at a consistent 65c+ on idle when it wasn't the case up until today. It also stops when Task Manager is open so it can't be the power settings.
I tried checking through Resources Monitor but like I said above to the other commentor, it's the same as opening Task Manager, as soon as I open it, my temps return to normal (30c), my CPU fan gets noticeably quiet and there's nothing that shows it's using up too much CPU.
How would I roll back an update? That might be my only solution. What happens when I roll back and update and update again?
Thank you
Navigate to Settings > Windows Update > Update History > Uninstall Updates.
Uninstall recently installed updates.
However, Windows updates are important for the security and performance of the system. My suggestion is that you can wait for the next month Windows updates and then install them to see if the problem still appears.
Best Regards,
Hania Lian
============================================
If the Answer is helpful, please click "Accept Answer" and upvote it.
Thanks for your reply Hania but it didn't help, I ended up doing a fresh reinstall of Windows 11 once again which fixed the issue. Take care.