Desktop URL Shrinker is Not supported any more due to the fact that so many new more advanced affiliate cloaking tools are now available and I have listed some of the best below
Ps Never use a URL Shrinker based on someone else's site like

The Best - Easy Redirect The Professionals way to Redirect and Cloak  Your Links PLUS You Control Your Links

Go Back To Main Affiliate ToolBox

Important  Note Bit.ly or Tinyurl ( Not Recommended ) as you are never guaranteed that your links will be live when and if the company goes out of business !