Can't Connect to StarCraft II

Updated: 1 month ago
Article ID: 116109
Relevant Products:

Common Problems

  • I am immediately disconnected while logging in to Starcraft II
  • Starcraft II gets stuck in a loop while logging in to the game

Before trying the following steps, check the BlizzardCS Twitter for any service interruptions and follow the steps in our Connection Troubleshooting article. If the problem continues, try this:

  1. Make sure you have the correct option selected from the Region / Account dropdown above the Play button on the Blizzard app.
  2. Run the repair tool to repair any damaged game files.
  3. Run a security scan to remove any viruses or malware infections.
Advanced Troubleshooting
  1. Try creating a new administrator account to resolve permissions issues.
  2. Your Windows Hosts file may contain incorrect entries. Check and reset any incorrect Hosts file entries.
  3. Old firmware on your modem and router can cause issues with complex game connections. Visit the manufacturer's website for instructions on how to apply firmware updates.
  4. If the problem persists, uninstall and reinstall the game.

Tried everything here?

If you have tried these steps and still require assistance, please visit our Technical Support Forums or contact us.