Common Problems
- StarCraft II keeps crashing
- Game crashed with no error
- Keep getting lockups and freezes in game
If you experience a crash with a blue screen error message, follow the steps in our Blue Screen Crashes article. If your computer locks up while running the Battle.net App, follow the steps in our Computer Restarts of Shuts Down article. Otherwise, follow the steps below to resolve the issue.
Windows®
- Make sure your computer meets the StarCraft II system requirements.
- Update your drivers to resolve any compatibility issues.
- Try closing background applications to resolve any software conflicts.
- Run the repair tool to repair any damaged game files.
- OneDrive (or other cloud services) may prevent Battle.net Games from accessing or modifying files in your Documents. Unsync your Documents folder from OneDrive .
Advanced Troubleshooting
- Set your components to factory default speeds to resolve crashes due to overclocking.
- Changes to the software settings on your video card drivers may cause crashes or lockups. Reset your video driver settings to correct this problem.
- Overheating can cause performance issues, game crashes, and full computer lockups. Check for overheating components.
- Deleting the Battle.net cache folder can resolve problems with the logon module.
- Run ScanDisk and defragment your hard drive to try to repair any bad sectors.
Note: Do not defragment a Solid State Drive (SSD). - Run the Memory Diagnostic Tool to fix any errors in your computer's physical memory.
- If the problem persists, uninstall and reinstall the game.
Mac®
- Make sure your computer meets the StarCraft II system requirements.
- Update your drivers to resolve any compatibility issues.
- Reset Folder and File Permissions to make sure there is no conflict between the latest OS update and your permissions.
- Run the repair tool to repair any damaged game files.
Advanced Troubleshooting
- Overheating can cause performance issues, game crashes, and full computer lockups. Check for overheating components.
- Deleting the Battle.net cache folder can resolve problems with the logon module.
- Try closing background applications to resolve any software conflicts.
- Repair Disk Permissions to resolve any permission conflicts with logon modules.
- Run the Apple Hardware Test to make sure there are no physical problems with your hard drive.
- If the problem persists, uninstall and reinstall the game.
Tried everything here?
If the previous troubleshooting steps didn't resolve the problem, you can ask the Blizzard player community for help on the tech support forums (if available) or other community gaming sites. Local computer or network technicians may also be able to help if you've exhausted all other resources.
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