Use the steps below to troubleshoot installation issues for Blizzard games.
Troubleshooting for problems installing or patching the World of Warcraft game client
The Public Test Realm/Region (PTR) is a special service you can use to test patches before we release them to the public.
This error occurs when your connection to our servers is blocked. This may be caused by a third-party program.
Information on the Blizzard Voice Chat feature.
How to obtain the Anglers' Water Striders mount equipment.
Details of classic games patches, where to download them, and how to install the latest updates for classic games.
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This error happens when the game cannot read or modify important game files.
Information on error BLZBNTBGS0000003C