Thanks for your reply. I've deactivated WiFi on my main router. Do you know what the Error Report means?

Region : Austria Model : TL-WPA4220 Hardware Version : V1 Firmware Version : 1.2.8 Build 140401 Rel.49960n ISP : A1 Telekom Austria AG Hi @all, today I've bought the "300Mbps AV500 WiFi Powerline...