Windows XP
1. Click on 'Start,' then 'Run.' Type 'regedit' (without quotes), then press the 'Enter' key.
2. Navigate to the 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Winsock' registry entry in the left column by clicking on the ' ' symbols next to categories to expand them. Highlight the 'Winsock' entry by clicking on it once.

3. Click on 'File,' then 'Export.'
4. Save the file to external media such as a USB thumb drive, external hard drive, SD card or CD/DVD.
5. Right-click 'Winsock,' and left click on 'Delete.' Click on 'Yes' to confirm the deletion.
6. Locate the 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Winsock2' registry entry in the left column. Highlight the 'Winsock' entry by clicking on it once.
7. Click on 'File,' then 'Export.'
8. Save the file to the same external media you used earlier.
9. Right-click 'Winsock2' in the Registry Editor, then left-click on 'Delete.' Click on 'Yes' to confirm the deletion.
10. Close the Registry Editor.
11. Click on 'Start,' then 'Control Panel.' Double-click 'Network Connections.'
12. Right-click 'Local Area Connections,' then left-click 'Properties.'
13. Click on 'Install' in the Local Area Connection Properties box. Select 'Protocol,' then click on 'Add.'
14. Click on 'Have Disk.'
15. Type 'C:\windows\inf' (without quotes) in the 'Copy manufacturer's files from' field. Click on 'OK.'
16. Select 'Internet Protocol (TCP/IP),' then click on 'OK.' Restart the computer
Windows Vista and Windows 7
17. Click on 'Start,' then type 'cmd' (without quotes) in the 'Start Search' text field.
18. Right-click on 'cmd.exe,' and left-click on 'Run as administrator.' Press 'Continue.'
19. Type 'netsh winsock reset' (without quotes), and press 'Enter.'
20. Type 'exit' (without quotes), then press the 'Enter' key.
21. Click on 'Start,' then 'Control Panel.' Click on 'Classic View' in the left column if applicable.
22. Double-click 'Network and Sharing Center' in Windows Vista and 'Find and Fix Problems' in the 'System and Security' header in Windows 7.
23. Click on the 'Diagnose and repair' link in the left column in the Network and Sharing Center. Click on 'View all' in the Task pane if using Windows 7, then click on 'Internet Explorer Performance.' Click 'Next,' then allow Windows 7 to automatically fix the problem. Click 'Close' to finish.