- 
Open regedit.exe.
- 
Navigate to 
 HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinHttpAutoProxySvc.
- 
Set the value of the key Startto4 (Disable).
- 
Restart Windows. 
Open regedit.exe.
Navigate to 
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinHttpAutoProxySvc.
Set the value of the key Start to 4 (Disable).
Restart Windows.