Cognos Error: SDK-ERR-0088

You try to access IBM Cognos Express Manager or the Welcome to IBM Cognos Express page from the Start menu or by entering a URL and the following message displays:
SDK-ERR-0088 The IBM Cognos Express service is currently unavailable .

This message occurs if either the dispatcher or Informix is not running.

Open the Services window in Microsoft Windows and restart the IBM Cognos Express Manager service.