Tzhizhu
Home / browser-issues / Fix Windows Defender Security Center Not Opening - Chrome ERR_TUNNEL_CONNECTION_FAILED Windows 10 Troubleshooting-Resolve Microsoft Store Error 0x80070424

Fix Windows Defender Security Center Not Opening - Chrome ERR_TUNNEL_CONNECTION_FAILED Windows 10 Troubleshooting-Resolve Microsoft Store Error 0x80070424

Updated 2026-06-13 15:47:21browser-issues
Fix Windows Defender Security Center Not Opening - Chrome ERR_TUNNEL_CONNECTION_FAILED Windows 10 Troubleshooting-Resolve Microsoft Store Error 0x80070424
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

Related Software Guides

Fix Microsoft Store Rate Limit Exceeded Error Fix Microsoft Store Rate Limit Exceeded Error Fix 'cargo build' Permission Denied on Linux Fix 'cargo build' Permission Denied on Linux Fix Windows Terminal Update Failed: Permission Denied Fix Windows Terminal Update Failed: Permission Denied Fix Windows Security Authentication Failed Network Path Not Found Fix Windows Security Authentication Failed Network Path Not Found How to Restore Windows from Backup After a Failed Update How to Restore Windows from Backup After a Failed Update Fix Windows Search Error 0x80070005: Permissions & Reset Steps Fix Windows Search Error 0x80070005: Permissions & Reset Steps