During technical troubleshooting, you may need to fully uninstall and reinstall a game. Select your game below, then follow the steps provided.

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

 

Diablo II

Windows

  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. 

Mac

  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.

StarCraft

 

Windows

  1. Click Start/Windows and select All Programs.
  2. Select the StarCraft Uninstall program from the StarCraft folder.
  3. Check Delete all files in the StarCraft folder.
  4. Click Uninstall.
  5. Go to the directory where StarCraft was previously installed. If the StarCraft folder is still there, right-click the folder and select Delete. 

Mac

  1. Using Finder, go to the /Applications/StarCraft directory.
  2. Move the StarCraft folder to the Trash.
  3. Navigate to ~/Library/Preferences and delete any files associated with StarCraft:
    • StarCraft Preferences
    • Battle.net Preferences
    • BNUpdate Preferences
    • com.blizzard.BNUpdate
  4. Empty the Trash.

Warcraft III

 

Windows

  1. Open Control Panel.
  2. Click Uninstall a program.
  3. Right-click on Warcraft III and select Uninstall. This will begin the uninstallation process.
  4. If the client is not listed, manually delete Warcraft III:
    • Click Start ( Windows Key + Q in Windows 8), and select All Programs.
    • After locating the Warcraft III folder, right-click the Warcraft III Application and select Open File Location.
    • Move one folder up and delete the Warcraft III folder.
  5. Press Windows + R, type C:\\ProgramData into the run prompt, and click Ok
  6. Enter the Blizzard Entertainment folder and delete the Warcraft III folder

Mac

  1. Using Finder, go to /Applications/Warcraft III directory,
  2. Move the Warcraft III folder to the Trash.
  3. Navigate to ~/Library/Preferences and delete any files associated with Warcraft III:
    • Warcraft III Preferences
    • Battle.net Preferences
    • BNUpdate Preferences
    • com.blizzard.BNUpdate
  4. Empty the Trash.