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…

Tyrd - random FPS drops (4)
SC2 fatal error upon launching game (19)
Orange error box : A problem has occurred while connecting to the game, please try again later (13)
Game freezes and then continues again (1)
Can't load up game, send help! (1)
GPU usage jumps to 100 % with medium settings (2)
SC2 says it can't connect and forces surrender (3)
New number counter? Bottom Right Corner (1)
Cannot uninstall Public Test Realm (2)
Can't use UW display setting (1)
Hellfyre's crash (2)
Starcraft 2 crashes at startup (2)
Starcraft 2 How I solved Screen Freeze (1)
Cannot play co-op with friends (1)
Crashing to desktop (2)
Todays update made SC2 unable to connect or play (5)
Hornedreaper - Bright screen while alt tabbed (2)
Starcraft 2 with low fps rate (20)
I can't fix low fps (1)
Connection problems EU (1)
When i alt tab whole screen is bright (7)
Game wont authenticate me (6)
Servers.exe, fix them please (1)
Sc2 wont log in (17)
Any way to keep onedrive from uploading SC2 saves/replays folder? (2)