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Troubleshooting

Fix Chrome Access Violation Error When Opening PDFs

You click a PDF link in Chrome and instead of the document, you see an error: Access Violatio...

Troubleshooting
Fix Nginx Configuration Test Failure from Rewrite Rules

You run nginx -t and get an error. The log points to a rewrite rule. This is common ...

Troubleshooting
Fix Chrome Certificate Error: Invalid Authority & Date/Time Issue

You're browsing in Chrome and see a full-page warning: Your connection is not private...

Troubleshooting
Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

Troubleshooting
Windows Explorer Keeps Restarting in Windows 11: Fixes

If Windows Explorer keeps restarting on your Windows 11 PC, you'll see the taskbar and deskto...

Troubleshooting
Git Merge Conflict: How to See the Diff Between Versions

When you run git merge and hit a conflict, Git pauses and marks the conflicting file...

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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.