WerFault.exe is part of the Windows Error Reporting Service. To remove that process from your memory simple disable the Windows Error Reporting Service in the service manager. Here’s how you can get it done:
1. Run “services.msc”.
2. Find the Windows Error Reporting Service and disable it.
3. Next to go the Properties dialog of this service and set startup mode to “Disabled” or “Manual”.
4. Reboot. The WerFault.exe service should then be inactive.
It’s a good idea to disable this service by the way. It locks up on many occarions, using up 100% system resources when doing so.