This will take care of any winsock corruption that can lead to connectivity issues.
To reset Winsock, follow these steps:
a. Click and typecmd in the Start Search box.
b. Right-click cmd.exe and click Run as administrator.
c. Press Continue.
d. Type "netsh winsock reset" without the quotes at the command prompt, and then press ENTER.
Note If the command is typed incorrectly, you will receive an error message. Type the command again. When the command is completed successfully, a confirmation appears, followed by a new command prompt.