Technical Support

Known Technical Support Issues - [Updated Sept 7, 2019!] (5)

Hey there everybody! We’ll be using this forum thread to track known technical support issues, like conflicts which cause performance errors, crashes, and connection problems. Check out the list below, and give these st…

Forum Guidelines - Please Read (3)

Welcome to the StarCraft II discussion forums! This forum is here to provide you with a friendly environment where you can discuss all aspects of StarCraft II with your fellow players. Community forums work best when par…

Welcome to the StarCraft II Technical Support Forums (3)

Welcome to the Technical Support forum for StarCraft II. This forum exists to provide StarCraft II customers with a place to discuss technical issues with each other and Blizzard Tech Support staff members. While Blizzar…

Patching and Installation Troubleshooting (3)

Patching and installation issues are some of the more common issues that we come across in the Tech Support Forums. This thread will highlight some troubleshooting steps that have been proven to resolve most of the patch…

Common Connection and Latency Issues (6)

Greetings all, We’ve been working to improve some of the available troubleshooting resources for our games. Since connectivity problems are a common problem in gaming, we wanted to provide some information on what cause…

We have detected a program acting abnormally on your computer (2)
Crash on launch (2)
Unable to connect to EU Server (2)
Unable to run SCII (9)
StarCraft II Audio Muffled/Broken on Latest Windows 10 Update (10)
Starcraft 2 Audio Speakers Setup ( Windows 10 ) (7)
Bnet launcher "install" instead of "play" (10)
Stacraft 2 crash to desktop (7)
Major stuttering/lag in CO-OP mode (9)
SC2 (&hots) graphics card issue (fixed) (5)
Random ping spikes (4)
Sound stuttering [fixed] (1)
Crash to desktop frequently during play (2)
Starcraft 2 shutdown my pc (10)
Unable to install SC2 (5)
Warchest Widow Mine problem for Equip (6)
Errors that popped out after pressing PLAY (2)
Game Freezes During Ladder Matches (1)
[SkeletonJack] Disconnects (3)
Warchest disappeared but only on one account (2)
Unable to download update or reinstall (6)
Mouse Stops Working In Window (3)
Unable to start Coop games. [Solved] (1)
Unable to start games (9)
Performance problems still not addressed (10)