If the broadband Internet access shows "Error 711" failure, it is caused by the computer using win7 system and updating the system patch KB917606. Uninstalling this patch can return to normal.
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You can refer to the following methods to handle it:
1. Remove this patch (via 360 or the system Program uninstall);
2. Start the computer > open the command line CMD (run as administrator), enter netsh winsock reset, press Enter, and restart the computer. The specific functions and paths are subject to the actual page;
3. If the first and second methods still do not work, it is recommended that you reinstall the system and do not update the patch KB917606.
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