Error message information for classic Blizzard games.

Troubleshooting steps for pixelated or blurry graphics

Steps on how to reduce the size of your Heroes of the Storm Installation

How to ignore another player in Diablo II (2000)

Player reports they had heroes they use to play in Diablo III and they're now missing.

What to do with your TCG loot card code

Troubleshooting for error "Unable to identify version"

This error may be due to a server problem.

Information on error BLZBNTBNU00000001

ウォークラフト・ランブルを含むモバイル版Blizzardゲームタイトルのアカウント切り替えに関するトラブルシューティング