Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Git Push Rejected Non Fast Forward Error

You run git push and see: ! [rejected] main -> main (non-fast-forward)

How to Fix a Detached HEAD in Git Using SourceTree
If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

VS Code Source Control Not Detecting Changes After Git Reinstall
If you reinstalled Git and VS Code's Source Control panel stopped detecting file changes, you...

Docker Compose Port Already Allocated: Checklist
You run docker-compose up and get an error like Error starting userland proxy:...

Fix Error 0x80070002 in Windows Update Registry
Error 0x80070002 during Windows Update typically means the system cannot find a required file. Th...

Fix Git 'index.lock' Error in VS Code
If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...


    Issue queue
Sitemap
How to Increase Node.js Heap Size for Module Loading
How to Fix Windows Update Error 0x80070002 with a Clean Boot
Python 3.12 pip Error: Externally Managed Environment – Solutions
Python Large CSV Memory Error: Practical Solutions
Troubleshooting VSCode Breakpoints in launch.json
Nginx Upstream Connection Refused: Diagnosis and Fixes
Fix Nginx 13 Permission Denied Error: Step-by-Step
Fix Windows 11 Error 0x80070005 (Access Denied)
VS Code Git Auth Failed: How to Fix
How to Fix Chrome Extensions Not Loading Properly
Windows Taskbar Icons Disappeared – How to Restore
Chrome Sync Reset: Step-by-Step
Desk note

    Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities