What is the WSAPPX process and why is it using a lot of the CPU resource? Have you ever looked at the WSAPPX process in Task Manager? Sometimes, you might find it uses a lot of your CPU resources. For users who don't know yet, the WSAPPX process belongs to the Windows Store application, also known as WSService. Last week, I encountered the WSAPPX high CPU usage issue on my Windows 10 computer. When I booted up and logged into it, I noticed the WSAPPX process was using around 40% of my CPU resource. Also Read: Fix Svchost.exe (netsvcs) HighThe post How To Fix WSAPPX High CPU Usage Problem In Windows appeared first on Useful PC Guide.