If you see this process running in the Windows Reliability Monitor, you might want to remove it from your system. Although this process may be legitimate, it could also be malicious. Its name is “PWA Identity Proxy Host” and it appears related to Microsoft’s Edge browser. Its CPU and RAM usage may indicate that it’s a virus or spyware, and you should delete it as soon as possible.
PWA Identity Proxy Host – How to Delete It From Your System