netsh advfirewall reset
netsh int ip reset c:\resetlog.txt
netsh winsock reset
Theese things from here Crashing on start? Read this! UPDATED October 18, 2016 i mean by “THE network stuff”.
Regarding external devices and browsers, could it be a USB sound card? It seems to be working properly and i have no problems using it, but it is a bit old.
I’ll test the sound card and reply again.