How to resolve issues with the quest Hazardous Materials if the quest credit is not displaying properly after abandoning the quest.

Information about this error when redeeming a code on your Battle.net account

Information on selecting an Allied Race after purchasing a Race Change.

What to do if a mistake was made with a purchased gift

What to do if you reached Legend in Ranked mode but you didn't earn the "I am Legend" achievement and card back

What to do if you get the a Direct Draw Error when attempting to launch Diablo I.

Information about accidentally claiming a WoW token for either game time or Battle.net Balance

Troubleshooting a specific Stormwind Harbor phasing issue where it is set to the Legion intro scenario

What to do if you want to report the infringement of Blizzard's copyright or you are looking to obtain a license to use Blizzard's intellectual property

What to do if you are unable to upgrade PvP items