What to do if you have trouble with the captcha
Information on Unable to Locate Component error.
Troubleshooting problems with the Battle.net friends list
How to solve this problem on an incomplete Battle.net account
Troubleshooting step for connection-related problems on Windows.
Troubleshooting steps for problems connecting to Hearthstone.
Out-of-date drivers and operating systems can cause a variety of issues, and are one of the first things to check when a game is having problems.
A guide for diagnosing and repairing problems with physical hard drives.
How to verify that Hearthstone cards from booster packs were correctly added after a crash