Socket Error 11004 on your Windows computer is caused by a corrupt file on your Internet settings. This error will not allow you to send or receive emails. You don't have to buy third-party software to fix your socket error. You can use the Windows file checker that came installed on your computer. This software will replace the corrupt file with the correct version.
Click the "Start" menu and then go to the "All Programs" button.
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Click the "Accessories" button and then right-click on "Command Prompt."
Click the "Run as administrator" option and enter your administrator password into the field that appears.
Type "sfc /scannow" (without the quotation marks) into the Command prompt and press your "Enter" key.
Wait for the computer to fix your socket error. A progress bar will be displayed on your computer screen to tell you how far along the process is. Restart the computer after the repair has finished.