Troubleshooting the Diablo II (2000) installer.

Instructions to enable vertical sync in applicable games.

Troubleshooting steps to resolve voice chat problems in Heroes of the Storm

Error message information for classic Blizzard games.

If you experience crashes, blue or black screens, performance issues, or your computer locks up while playing, follow the steps below to resolve these issues.

For issues purchasing WoW Token with gold.

Instructions on lowering the maximum frame rate.

Troubleshooting steps for connection issues in Heroes of the Storm.

パフォーマンスの問題のトラブルシューティング手順