The Blizzard Update Agent could not install in the specified folder location.
How to block communication from another player in Diablo III.
How to change the country/region of residence on your Battle.net account
Exchanging a Blizzard product code for a different product
Information about issues with Greater Rift results not being updated in the Diablo III leaderboards
Information on how to restore your Diablo III character
Troubleshooting steps to resolve error message BLZBNTBGS80000022.
How to report players in Diablo III.