Troubleshooting steps for latency or connection issues when playing Blizzard games.

Other players and non-player characters display "Unknown" instead of their name.

This error may be due to a server problem.

Repeatedly leaving or disconnections in Heroes of the Storm results in a leaver penalty or lost of ranking.

These errors can be caused by temporary server issues in a specific region.

World of Warcraft does not support 32-bit operating systems.

Patch Required. Please press the quit button below and download the patch.

オリジナルの「Warcraft」および「Warcraft II」の購入とインストールに関する情報

This occurs because your game client does not match the version on our servers.

How to submit feedback for particular matchups or units for StarCraft II