UPNP server Windows 8 Instructions on how to disable Universal-Plug-and-Play under Windows 8: Go to Desktop Right-click on the flag symbol, next in the popup on open service center In the settings search for Services and select Services (local) Search for UPNP-Device host, right-click and select Properties If Status is Started, please click Stop. Set Startup type to disabled, save with Apply and OK Next search for SSDP-Search, right-click and select Properties If the SSDP-Search is running, set it to Stopped. Click Startup type and set it to disabled, save with Apply and OK Close all windows and reboot your computer Important! Unlock network socket again