Windows 10: My cpu hits 100% when I don't have task manager open and also causes my internet to...

So it all started with my cpu having such a high usage despite not having anything open and also my Wi-fi disconnecting whenever I had opened roblox for more than 5 minutes or even less. At first, I thought it was because my computer was outdated despite the laptop telling me it had the latest updates I installed Drive booster to update EVERYTHING and check for any corrupted files and while on that I also installed Advaced system care app to clean everything, it made my CPU go from 40%-50% to 1%-2% so I thought that solved the problem but I still got my wifi shutdown while playing games so I

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CPU Usage 100% until Task Manager is opened

Hi,

I have a i9-9900k 32gb Windows Pro 21H2 19044.1586 desktop that randomly starts freezing up. As soon as I hit task manager, I can see the CPU is 100% for a second after opening, after which it goes down to normal levels and I can use my PC normally.

I have searched for answers and found thread Redirecting but that's from 2015 and it's now closed. I have tried the solution listed there and on the last step I'm getting access conflicts due to files being in use. What else can I try? Or if that solution is still valid, what can I do about the files that can't be accessed due to being in use?

Thank you

 

CPU and GPU usage at 100% until task manager is opened

Recently, I have been seeing that my CPU temperature is extremely high (80C) during idle or browsing internet and this changes when I open task manager to check what is using my CPU so much. As soon as i open task manager, my cpu usage goes down from 100% to 6-10%.

I am familiar with the bug from windows that causes the CPU usage to be at 100% when you open task manager for a split second before it can read the temperature and that's why i use msi afterburner to read my CPU and GPU usage as well as temperature.

During idle, when my laptop is plugged in and left unattended without task manager open, but with msi afterburner open, my CPU temps go crazy while my CPU usage gets rocketed at 100%. This also happens with the GPU sometimes.

I have read online about this and someone said it could be a virus that uses crypto mining software to hijack my hardware. This is a big issue as when i am doing my work it constantly causes interruptions if i dont have task manager open.

I need help to fix this and how to prevent this from happening in the first place I have run multiple virus and antimalware checks which have not changed anything yet.

thanks in advance to anyone that replies.

 

CPU at 100% that goes away when opening Task Manager

Thanks for your answer @Jay#222. I understand that a computer is doing a lot in the background. In that case above, I was using Adobe Lightroom which is heavy on the CPU but I might get this when I'm just using Google Chrome googling things. Its weird to
me because upon opening the Task Manager, my CPU calms down when it might have been working hard for quite some time. My CPU might be working hard for 10 minutes and then upon opening Task Manager, it calms down. I'm sure if it listed the CPU usage prior to
opening the Task Manager, it would be 90%-100% usage all prior. Is it something like the Task Manager flushes processes and that's why it drop significantly? And I mean it drops to the point where the fan will calm down and my laptop will not lag much.