Wuauserv Causing High CPU Usage

Many Windows system processes are considered essential for a safe and fully functional PC. Wuauserv is arguably one of the most important – this service (also known as Windows Update service) keeps your computer up to date with the latest feature releases and bug fixes.

Like ntoskrnl.exe and other essential system services, wuauserv requires priority access to your system resources from time to time. Unfortunately, this does mean that you will occasionally see wuauserv reporting high CPU usage. If this happens to you and you are looking for a solution, here’s what you need to do.