High CPU usage due to Performance Monitor (perfmon.exe) in Windows can be caused by many factors. Here are working solutions to fix the issue.

If you face a Windows Server slow performance issue, you can upgrade the hardware, such as Memory or the Processor. More ...

In the latest update to Windows 11 24H2—patch KB5058411 which rolled out earlier in May—Microsoft made a quiet change to how Task Manager calculates CPU usage in the “Processes” tab ...

AMD’s EPYC 4585PX triples the performance of its old flagship, challenging assumptions about what affordable server CPUs can ...

Once SQL Server is installed and all windows are closed, the CPU usage never drops below 20% in VMM. I was puzzled by this for some time, probably longer than I should have been.

I once had an issue with Indexing Service going daft when it encountered a corrupted ZIP file. It started using 80% of one CPU on a dual box until we restarted the service.

Microsoft lets Windows Server 2016 users allocate CPU resources at a much more granular level than before. To get started, here's an overview of basic CPU topology.

Recent Windows 10 updates are causing the Input Method Editor (IME) for Chinese languages to become unresponsive or use a lot of CPU.

If you're having periodic spikes of high CPU usage, a recent Windows match may help solve the problem.

HWiNFO is one of the best free hardware monitoring tools. The latest version of the software has fixed legacy CPU usage reading on Windows 11, a kernel-mode hardware stack driver bug, and more.

Microsoft's Windows Server 2016, due in the third quarter of 2016, will be moving from per-processor to per-core pricing.