Forum Discussion
creativelau
Aug 10, 2025Copper Contributor
Win11 WpnUserService writing disk continuously
When a notification pops up in the lower-right corner, the WpnUserService service begins writing to the disk. The more notifications pop up, the faster the write speed. For a long time, I didn't n...
Streittin
Aug 14, 2025Iron Contributor
It sounds like the WpnUserService (Windows Push Notifications User Service) is causing high disk activity whenever notifications appear, leading to heavy disk writes. This behavior isn't typical and can be quite disruptive.