The Blizzard Desktop Application no longer supports compatibility mode for Windows XP or Windows Vista. Follow these steps to disable compatibility mode.

  1. Navigate to your Blizzard App install directory (Default: C:\Program Files (x86)\Blizzard App).
  2. Right-click Battle.net.exe and select Properties.
  3. Select the Compatibility tab.
  4. Uncheck Run this program in compatibility mode for:.
  5. Click Apply then OK.