Fix Error 999 for Windows 7/8, Vista and XP

Error 999 is mostly experienced by the subscribers to Yahoo services. When they try to open any service they are greeted by this error. Here are some ways to fix error 999 in Windows 7/8, Vista and XP instantly.

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Error 999? Download Error Scanner

Reginout System Utilities (w/ Verisign Digital Certificate) Compatible w/ Windows 10/8.1/8, Windows 7, Vista/XP. By clicking to download, you agree to these Terms See Features & Functions

Clean You Internet Browser

Open your internet browser and clean all the cookies, cache and history files. It will fix the error 999. If you are using Firefox follow the steps below:

  • Open Firefox
  • Click on Tools
  • Click Clear Recent History
  • If you are using Internet Explorer
  • Open IE
  • Click on Tools
  • Click Internet Options
  • Click on General tab
  • Clear History and delete Cache and Cookies
  • Click ok

Remove Registry Errors

In order to fix error 999 in Windows 7/8, Vista and XP fix Windows registry errors.Click here to fix Registry Errors.


Turn Off Proxy Server

Error 999 may also appear if any proxy server is turned on. Turning off the proxy sever may fix the problem. To do so follow the step below:

  • Open IE
  • Click on Tools
  • Click on Internet Options
  • Click on Connection tab and then on LAN Settings
  • Uncheck the Use a proxy server for your......
  • Click Ok
  • Follow this step only if you are a part of a Proxy Server other wise skip it.

Install a Different Browser

Another way of fixing error 999 is to install a different browser. If you are using Interent Explorer you have the option to install Firefox, Opera or Safari. Installing a different browser fix the error effectively.

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