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Troubleshooting

Recover Lost Changes After Git Detached HEAD

You've made several edits, then checked out an old commit or tag, and now Git says you're...

Troubleshooting

Fix Windows 11 Installation Assistant Stuck at 99% SFC Scan

You're upgrading to Windows 11 using the Installation Assistant, and it hangs at 99% while ru...

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Reset Network Settings in Windows 11 When You Have No Internet

If you're reading this, you probably can't get online in Windows 11. The network icon in ...

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Fix Windows Update Error 0x80070002 with System File Checker

When Windows Update fails with error 0x80070002, it often points to missing or corrupted system f...

Troubleshooting

Fix Nginx 502 Bad Gateway with Docker Multiple Containers

If you run Nginx as a reverse proxy in front of multiple Docker containers, a 502 Bad Gateway err...

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Fix npm 'package.json not found' Error in Subdirectories

You're working in a subdirectory of your project, run npm install or npm r...



        
            
                
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                    Support Note
                     Test fixes in a non-critical profile first, keep backups for configuration files, and record exact error messages before changing settings.