Limpia tu internet con CMD

lista de comandos utilizados ejecutar en orden:
ipconfig /release
ipconfig /flushdns
ipconfig /renew
netsh winsock reset
netsh interface ipv4 reset
netsh interface ipv6 reset
netsh winsock reset catalog
netsh int ipv4 reset reset.log
netsh int ipv6 reset reset.log

source
ipv4