home page, (select the free installation)  install and press the “run” key on the right bottom. This will automatically clean out old internet files, history and data. Not to worry, you wont loose any information on your Computer.

2) Your internet browser shows old website information or “page could not be found. This again is caused by by old caching files on your computer. This can also cause email problems from time to time, especially if your hosting company changed servers. Sometimes it also work if you press the Ctrl and the F5 key on your keyboard together.

  • Open Run and enter CMD and press enter (See help below to get to this end)
  • Black screen will open.
  • Type the following in: ipconfig /flushdns and press enter
  • Done!

How to open Command Prompt on MAC:

How to open Command Prompt on Windows:

Open the Command Prompt window by clicking the Start button Picture of the Start button, clicking All Programs, clicking Accessories, and then clicking Command Prompt.

 

How to clear your DNS cache

 

How to clear your DNS cache

The following methods allow you to remove old and inaccurate DNS information that may result in 404 errors.

 

Windows® 8

 

  1. Press Win+X to open the WinX Menu.
  2. Right-click on Command Prompt and select Run as Administrator.
  3. Type the following command and press Enteripconfig /flushdns
  4. If the command was successful, you will see the following message:
    Windows IP configuration successfully flushed the DNS Resolver Cache.

 

Windows 7

 

  1. Click the Start button.
  2. Enter cmd in the Start menu search field.
  3. Right-click on Command Prompt and select Run as Administrator.
  4. Type the following command and press Enteripconfig /flushdns
  5. If the command was successful, you will see the following message:
    Windows IP configuration successfully flushed the DNS Resolver Cache.

 

Windows XP, 2000, or Vista®

 

  1. Click the Start button.
  2. On the Start menu, click Run….
    • If you do not see the Run command in Vista, enter run in the Search bar.
  3. Type the following command in the Run text box: ipconfig /flushdns

 

MacOS® 10.7 and 10.8

 

  1. Click Applications.
  2. Click Utilities.
  3. Double-click the Terminal application.
  4. Type the following command:
    sudo killall -HUP mDNSResponder

    Warning: To run this command, you will need to know the computer’s Admin account password.

 

MacOS 10.5 and 10.6

 

  1. Click Applications.
  2. Click Utilities.
  3. Double-click the Terminal application.
  4. Type the following command: sudo dscacheutil -flushcache