Can't Connect to Blizzard Battle.net Desktop App

Updated: 4 months ago
Article ID: 116234
Relevant Games:

Common Problems

  • The Blizzard Battle.net desktop app gets stuck in a login loop
  • Can't log in to the Blizzard Battle.net desktop app
  • After entering my credentials, it won't get past the spinning Battle.net logo

Before trying the following steps, check the BlizzardCS Twitter for any service interruptions.

  1. Reset your network devices to make sure your router hasn't become flooded with data.
  2. If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
  3. Update your drivers to resolve any compatibility issues.
  4. Release and renew your IP and flush your DNS to resolve any network conflicts.
  5. Try closing background applications to resolve any software conflicts.
  6. Delete the Battle.net Tools folder to automatically rebuild outdated or corrupt files.
Advanced Troubleshooting
  1. Old network card drivers and settings may affect your connection in our games. Try troubleshooting your network card.
  2. Check your network configuration to find any issues with your firewall, router, or port settings.
  3. If you're using a VPN, try removing it.
  4. Disable any proxies that may interfere with the login module.
  5. Run a security scan to remove any viruses or malware infections.
  6. Disable or temporarily uninstall any security programs, which may mistakenly identify the login module as a security threat.
  7. Try creating a new administrator account to resolve permissions issues.
  8. Your Windows Hosts file may contain incorrect entries. Check and reset any incorrect Hosts file entries.
  9. 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.
  1. Reset your network devices to make sure your router hasn't become flooded with data.
  2. Run Software Update to check for pending updates to software, drivers, and firmware.
  3. If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
  4. Release and renew your IP and flush your DNS to resolve any network conflicts.
  5. Try closing background applications to resolve any software conflicts.
  6. Delete the Battle.net Tools folder to automatically rebuild outdated or corrupt files.
Advanced Troubleshooting
  1. Check your network configuration to find any issues with your firewall, router, or port settings.
  2. If you're using a VPN, try removing it.
  3. Disable any proxies that may interfere with the login module.
  4. Run a security scan to remove any viruses or malware infections.
  5. Disable or temporarily uninstall any security programs, which may mistakenly identify the login module as a security threat.
  6. Repair Application Support permissions, which may prevent installation or startup.
  7. 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.

Tried everything here?

If the steps above did not resolve your problem, visit our Technical Support forum or contact us.