Question I just reset my PC but CPU Usage still spikes to 100% ?

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SakakiKomachi

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Aug 28, 2021
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I recently reset my PC because it was always under full load.
Before resetting, I installed a cracked version of Corel Draw from a friend, and ever since, my CPU usage has been at 100%. I tried multiple antivirus apps, but none of them solved the problem. I endured the 100% usage for two years because I had important files on my PC. Last month, I finally reset my PC, installed all the updates and drivers, and while the performance improved, the CPU usage still spikes, especially when I'm playing games—it's always at 100%, making them unplayable. Could it be that a virus has rooted itself in my motherboard or processor? Any ideas?

My rig:
ASRock H310CM-HDV/M.2
CPU: i3-9100F
GPU: was RX 550 2GB, now RX 580 8GB (since March 2024)
 

triplex1

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Jun 2, 2024
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I recently reset my PC because it was always under full load. Before resetting, I installed a cracked version of Corel Draw from a friend, and ever since, my CPU usage has been at 100%. I tried multiple antivirus apps, but none of them solved the problem. I endured the 100% usage for two years because I had important files on my PC. Last month, I finally reset my PC, installed all the updates and drivers, and while the performance improved, the CPU usage still spikes, especially when I'm playing games—it's always at 100%, making them unplayable. Could it be that the virus is rooted in my motherboard or processor? Any ideas?

My rig:
i3-9100F
ASRock H310CM-HDV/M.2
RX 550 2GB (past) now RX 580 8GB (on March '24)
4 cores with 4 threads it makes sense to use 100% with the 580, if you can upgrade the processor by putting a bigger one
 
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COLGeek

Cybernaut
Moderator
I installed a cracked version of Corel Draw from a friend, and ever since, my CPU usage has been at 100%.
You have identified the most likely problem

Remove all pirated software. All of it.

Scan your system for malware. Remove all found.

Be prepared to completely re-install Windows and all of your applications.

Tom's Hardware does not support any form of software piracy. None. Period.

Closing this now.
 
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