Diablo II Compatibility Issues and Workarounds

Updated: 2 months ago
Article ID: 34726
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Common Problems

  • Diablo II won't load.
  • Error: "This program has known compatibility issues" when starting up Diablo II

Follow these steps to resolve any compatibility issues you may experience.

  1. Run the Blizzard Battle.net desktop app in Administrator Mode to address many installation, patching, networking, and start-up errors.
  2. Make sure the game is patched to the latest version.
  3. If the above steps don't work, try running the game in windowed mode:
    1. Right-click the Diablo II icon and click Properties
    2. Click the Shortcut tab
    3. Add -w to the end of the Target. For example: "C:\DiabloII\Diablo II.exe" -w

Tried everything here?

If you have tried all of these steps and still require assistance, please visit our Technical Support Forum or contact us.