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browser uses 70% of cpu

yesterday my laptop fan went up and stay up for a solid 20 minute without realizing when i check one of chrome task is using 70% of cpu and when i close it nothing happened
so i uninstall chrome and change to mozilla thinking it was a chrome problem and today same thing again suddenly there is a task from mozilla that uses 70% of cpu

does this happened to anyone and how do i fix it?

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What's your CPU?

Do you disable hardware acceleration on the browser?

Not an expert, just bored at work. Please quote me or mention me if you would like me to see your reply. **may edit my posts a few times after posting**

CPU: Intel i5-12400 | GPU: Asus TUF RX 6800 XT OC | Mobo: Asus Prime B660M-A D4 WIFI | RAM: Team Delta TUF Alliance 2x8GB DDR4 3200MHz CL16 | SSD: Team MP33 1TB | PSU: MSI MPG A850GF | Case: Phanteks Eclipse P360A |  Cooler: ID-Cooling SE-234 ARGB | OS: Windows 11 Pro | Pcpartpicker: https://pcpartpicker.com/list/FpC7yK
Displays: Samsung Odyssey G5 S32AG50 32" 1440p 165hz | AOC 27G2E 27" 1080p 144hz

Laptop: ROG Strix Scar III G531GU Intel i5-9300H GTX 1660Ti Mobile| OS: Windows 10 Home

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Sounds a bit like a cryptocurrency mining malware disguising itself as your browser.

 

Does the correct application in the correct folder show up if you right click on the process in WIndows' task manager and select "Properties"?

 

Does the usage show up in the task managers of the browsers? It's accessible in both by opening the menu in the top right and going to "More tools" > "Task Manager" (interesting how it's the same steps in both), or by pressing Shift + Esc in Chrome. If it does show up, what tab or extension is using that much CPU?

 

Try a malware scan. Windows Defender is installed and activated by default on Windows, or you can try a third party software like Malwarebytes.

¯\_(ツ)_/¯

 

 

Desktop:

Intel Core i7-11700K | Noctua NH-D15S chromax.black | ASUS ROG Strix Z590-E Gaming WiFi  | 32 GB G.SKILL TridentZ 3200 MHz | ASUS TUF Gaming RTX 3080 | 1TB Samsung 980 Pro M.2 PCIe 4.0 SSD | 2TB WD Blue M.2 SATA SSD | Seasonic Focus GX-850 Fractal Design Meshify C Windows 10 Pro

 

Laptop:

HP Omen 15 | AMD Ryzen 7 5800H | 16 GB 3200 MHz | Nvidia RTX 3060 | 1 TB WD Black PCIe 3.0 SSD | 512 GB Micron PCIe 3.0 SSD | Windows 11

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