Software troubleshooting desk

Practical fixes for tool errors, setup blocks, and workflow issues.

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Git Merge --allow-unrelated-histories: When and How to Use It

You run git merge and get an error: fatal: refusing to merge unrelated histories...

How to Reset Taskbar Icons in Windows 11: 4 Methods
If your Windows 11 taskbar icons are missing, showing generic file icons, or acting strangely, th...

How to Fix Nginx Upstream Connection Refused on Port 80
When nginx logs show "upstream connection refused" while connecting to port 80, it means ...

Fix VS Code Git Authentication Failed for GitLab
If you see "Git authentication failed" in VS Code when pushing or pulling from a GitLab r...

Fix VS Code Source Control Not Detecting File Modifications
You edit a file, save it, but the Source Control panel in VS Code shows nothing. No pending chang...

Fix Docker Compose 'Port Already Allocated' for MySQL
You run docker compose up and get an error like Error: Port 3306 is already al...

Issue queue Sitemap Cloudflare Wildcard Subdomain Page Rule Troubleshooting Chrome Hardware Acceleration Fix for Black Screen Windows 11 Update Stuck at 0%: How to Fix Setup Freeze Windows 11 Bluetooth Not Working? 10 Troubleshooting Steps Git Merge Conflict Permission Denied Fix Guide Windows 10 Chrome ERR_CONNECTION_RESET Troubleshooting Guide Troubleshoot Node Sass Build Failure on Windows/Mac Clear Chrome Certificate Cache to Fix NET::ERR_CERT_AUTHORITY_INVALID Fixing Git Unrelated Histories Merge Error Fix Windows Update Error 0x80070005: Permissions & More VS Code Not Detecting Git Changes After Reinstall Windows 11 WiFi No Internet? Command Prompt Fixes Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities