Same pc, same network, same everything for 2 years... the problem came out from nowhere. i already tried to download any type of file,and any size, directly from the router but it works as it should...

i don't know the model of the router, it's a Tim one... the topology is router to powerline with ethernet and on the same floor there is the other powerline to pc with etnernet, (it's around 10m away...

Whenever i start a download, being connected to the powerline, the modem restarts every 2 minutes. If i start a download being connected directly to the modem it works as it should be. If i change...