During technical troubleshooting, you may need to fully uninstall and reinstall a game. To uninstall:

  1. Click Start/Windows and select All Programs.
  2. Select the Diablo II Uninstall program from the Diablo II folder.
  3. Check Delete all files in the Diablo II folder.
  4. Click Uninstall.
  5. Go to the directory where Diablo II was previously installed. If the Diablo II folder is still there, right-click the folder and select Delete. 
  1. Using Finder, go to the /Applications/Diablo II directory,
  2. Move the Diablo II folder to the Trash.
  3. Navigate to ~/Library/Preferences and delete any files associated with Diablo II:
    • Diablo II Preferences
    • Battle.net Preferences
    • BNUpdate Preferences
    • com.blizzard.BNUpdate
  4. Empty the Trash.

To reinstall the game, use the CD/DVD or download a new copy.