Install the latest version of Aatrix.
 

Alternative Solution:
 

  1. In Mail, State and Federal Tax Reports, Federal Tax Reports, preview the W-2
     
  2. Select Tools, Registration from the menu bar
     
  3. On the Registration screen, highlight one of the rows and press Delete on your keyboard. This will clear the grid of all registration codes
     
  4. Click Done
     
  5. Preview the W-2 and you should be prompted to register