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Explains the level of technical support we offer on Blizzard and Activision products.BLZ51900002
Information on error BLZ51900002Updating Your Drivers and Operating System
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.
If you have issues with the sound in your game, such as skipping, popping, screeching, or no sounds at all, follow the steps below to troubleshoot the problem.Troubleshooting Forum Issues
Posting on any of our game forums requires an active game accountStarcraft II Performance Issues
If you experience crashes, blue or black screens, performance issues, or your computer locks up while playing, follow the steps below to resolve these issues.