
This could be caused by anything from too many open tabs in your favorite web browser to a bunch of open, but minimized, programs. This means that having too many processes running in the background can eat up your CPU. Every single program you run uses some of your CPU’s processing power.

It is busy running all of the core math that structures all computer processing. Your CPU is essentially the brain of your computer. If your Task Manager displays are incorrect for anything more than a few seconds at launch, you might need to conduct a system restoration or a Windows reinstall.

It’s just one of those quirks of Windows technology that has persisted for years of Windows releases. The CPU section of Windows Task Manager showing various CPU spikes on some threads (especially when first launched)
