Technical Support

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…

Known Technical Support Issues - [Updated May 20, 2019!] (4)

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…

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…

Frequent Disconnects after last patch (4)
When i alt tab whole screen is bright (6)
An unexpected fatal error occurred (July 21, 2019) (2)
[SkeletonJack] Disconnects (2)
Delete old SEA account (5)
Random hard disconnects (6)
Sound toggled off won't turn back on (1)
Unable to play SCII. Graphics Device not available (2)
Patch game in order to login (2)
Massive game lag/freeze on SC II patch 4.9.3 (4)
Setting reset and campaign cant play (1)
Can't play versus AI or custom melee (3)
Game lags on each dialog/movie/new event (1)
Full Screen Don`t work (1)
Mecha Drone Hotkeys (1)
Cannot load Heart of the Swarm (2)
Files damaged, can't launch game (7)
No sound on new installation (2)
Unable to claim Nerazim bundle from Twitch Prime (17)
Unable to play SCII. Graphics Device not available (5)
Name Change in Starcraft 2 (4)
"unexpected fatal error occurred" Windows 10 (1)
Can't login to SC2 (3)
Cyrus - Map Editor Login Issues (1)
Initializing game mode - stuck (1)