Resetando parâmetros de Rede

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Acesse prompt de comando como Administrador

execute:

ipconfig /release

ipconfig /renew

ipconfig /flushdns (Clear the dns cache)

ipconfig /registerdns

netsh int ip reset all

nbtstat -RR (release and refesh NetBIOS names)

netsh winsock reset (Reset Winsock Catalog)

netsh winsock reset