If your antivirus software detects a virus in a Blizzard game folder, the detection will most likely be a false positive.

Information on the silence penalty in Battle.net Groups

What to do if you have lost the password for the Blizzard Data file.

How to submit a Data Protection request

General information about the capabilities of Parental Controls.

Troubleshooting steps for what to do if completing weekly or daily quest requirements is not providing credit toward that quest.

Troubleshooting issues where you may not have unlocked the Glaivebound Adept

What to do if the account of a friend or family member was compromised.

Information about the Hearthstone card back collection

Troubleshooting problems with changing regions in Hearthstone on your mobile phone or tablet or PC.