I can't access the Internet anymore
Try reinitialising the network states. Run la commande suivantes in an elevated cmd shell:
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Reset WINSOCK entries to installation defaults:
netsh winsock reset catalog
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Reset TCP/IP stack to installation defaults:
netsh int ip reset reset.log
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Reset Firewall to installation defaults:
netsh advfirewall reset
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Flush DNS resolver cache:
ipconfig /flushdns
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Renew DNS client registration and refresh DHCP leases:
ipconfig /registerdns
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Flush routing table (reboot required):
route /f