User Access Control (UAC) that all processes will launch in restricted
mode unless users specifically accept the elevation confirmation. For
command prompt, the commands may refuse to run or have access denied
error. So users need to launch command prompt will full admin rights
and permission state. Here’s a few ways and methods the elevated
command prompt can be opened and ran as administrator.

Corrupt Winsock or Windows sockets configuration can be due to a lot of
reasons (such as installation of a networking software, or due to
virus, trojan or malware infection, or sometime even due to
disinfection of spyware by security software). I did install quite a
few networking tools lately, while trying out some security audit
solutions - so that might have been it.
Method 1

1. Click on Vista Start button.
2. Locate the Command Prompt menu item (buried deep inside Accessories under All Programs or appear on program access history).
3. Right click on Command Prompt.
4. On the pop-up right click context menu, select “Run as Administrator”.

Method 2

1. Click on Vista Start button.
2. Click on Run.
3. Type in “Cmd” (without quotes) in the Open textbox.
4. You should see “This task will be created with administrative privileges”.
5. Click on OK or press Enter.

Method 3

1. Press the Win keyboard key or click on Vista Start button.
2. Type cmd into the Start Search textbox.
3. Press Ctrl+Shift+Enter keyboard shortcut. Ctrl-Shift-Enter is the
   general keyboard shortcut that triggers elevation to “Run as
   Administrator”.
4. Press Alt+C or press Continue to confirm the UAC elevation warning prompt.

Method 4

1. Click on Vista Start button.
2. In the Start Search box, type in “Cmd” (without quotes).
3. Right click on the Command Prompt in the search result listing.
4. In the right click menu, click on “Run as Administrator” menu item.

Method 5

1. Press on Win + R keyboard keys.
2. Type in Cmd into the Open textbox.
3. Hit OK or press Enter.

Method 6

To repair and reset the Windows Vista Winsock Catalog:

1. Click on Start button.
2. Type Cmd in the Start Search text box.
3. Press Ctrl-Shift-Enter keyboard shortcut to run Command Prompt as Administrator. Allow elevation request.
4. Type netsh winsock reset in the Command Prompt shell, and then press the Enter key.
5. Restart the computer.