Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN
You're browsing with Chrome and your VPN is on, but suddenly pages won't load and you see
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Clear Edge Update Cache to Fix Update Failed Errors
When Microsoft Edge fails to update, you may see an error like "Update failed" or "Something went...
Fix Chrome Proxy Server Not Responding for a Profile
If Chrome shows 'proxy server not responding' only when you're using a particular profile, the pr...
Fix Microsoft Teams Slow Performance After Update Rollback
After rolling back a Microsoft Teams update, you might notice the app running slower than usual. ...
How to Enable Command Prompt Session Logging
If you need to record everything that happens in a Command Prompt session—for troubleshooting, au...
Windows Defender and Ubuntu: Troubleshooting Checklist
If you're running Ubuntu through WSL or in a dual-boot configuration, Windows Defender can someti...
Topic paths
Quick titles
Chrome Profile Service Unavailable: Not Loading FixResolve Outlook Hanging at Loading Profile (outlook.exe)Microsoft Store Offline Installer Troubleshooting GuideTeams Crash Log Location GuideFix Chrome 'Profile Connection Refused' Error on MacWindows Security Proxy Error Fix GuideSetting Up PowerShell Transcript Logging: A Practical GuideHow to Use Windows Store Apps Troubleshooter