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Latest Troubleshooting Guides

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Troubleshooting

How to Reset Windows Security App Settings

If the Windows Security app isn't opening, showing errors, or behaving oddly, resetting its s...

Troubleshooting

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Troubleshooting

Fixing Nginx 502 Bad Gateway in Docker Networks

You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...

Troubleshooting

Fix Chrome Certificate Error Invalid Authority on Mac

You're browsing in Chrome on a Mac and suddenly see a warning: Your connection is not...

Troubleshooting
Add Python to PATH on Windows 10 When 'Command Not Found'

After installing Python on Windows 10, typing python in Command Prompt may give you ...

Troubleshooting
Fix Git Clone Connection Timed Out on GitHub Enterprise

When you run git clone on a GitHub Enterprise repository and see connection ti...

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