Why Is My Mouse Stuttering When CPU Usage Increases?
If your mouse begins to stutter whenever CPU usage climbs, the processor is struggling to keep up with everything running at the same time. Windows relies on the CPU to process mouse input, update the screen, and run your applications. When the CPU is…
Ntoskrnl.exe High CPU: What It Is and How to Fix It
If you spot “NT Kernel & System” or ntoskrnl.exe sitting near the top of Task Manager with 20, 40, or even 80 percent CPU, the first thing to know is this: the file itself is not broken, and it is not malware. ntoskrnl.exe is the Windows…
How to Clear CPU Cache (and What Actually Speeds Up a Slow PC)
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June 18, 2026
You can’t manually clear the cache on a CPU, and the good news is you don’t need to. The cache built into a processor empties and refills itself many times a second while the chip works, and it wipes completely the moment you shut down.…