Jul 18, If you're reading this article, then you probably spotted the Runtime Broker process in your Task Manager window and wondered what it. Periodically I notice a lot of LAN traffic from my PC and looking at Task Mgr I see it is from Runtime Broker that uses 30% CPU. I've looked at. Aug 4, loeschgruppe-heimbach.de - Operation aborted Start Menu - Tile default app disappeared and appear again after restart. Performance issue Local. Feb 9, I did however have a could of 'Runtime Broker - Operation Aborted' errors, though I'm not sure if that's caused by this change. I'll need to do.