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1.Click the Windows Start button. 

2. Type Cmd in the Start Search text box and press Ctrl-Shift-Enter (keyboard shortcut to run Command Prompt as Administrator). Click Continue to allow elevation request. 

3. Type netsh winsock reset in the Command Prompt shell, and then press the Enter key. 

4. Type netsh int ipv4 reset in the Command Prompt shell, and then press the Enter key. 

5. If you use ipv6, type netsh int ipv6 reset in the Command Prompt shell, and then press the Enter key. 

Note: you may need to run Network Diagnostics afterwards to "repair" your connection after this.