Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fixing 'Command Not Found' in VS Code Terminal

You open the integrated terminal in VS Code, type a command you know is installed, and get ...

Fix Git Push Rejected Non Fast Forward Error
You run git push and see: ! [rejected] main -> main (non-fast-forward)

How to Fix the Git index.lock File Exists Error
You're in the middle of a Git operation—commit, merge, or rebase—and Git stops with: fa...

Fix npm run build Failure from Missing Env Variables
You run npm run build and get an error like Error: Missing required environmen...

Fix VS Code 'Permission Denied' When Saving Files
You're editing a file in Visual Studio Code, hit Ctrl+S, and get an error: "Failed to sav...

Fix Windows Defender Real-Time Protection Not Starting
If you see a yellow warning or a message that real-time protection is off, Windows Defender’s cor...


    Issue queue
Sitemap
Git Merge Conflict Resolution Guide
Resolve Windows 11 Upgrade Stuck at 99%
Fix Cloudflare DNS Propagation for Subdomains
Fix npm package.json Not Found Error
Resolve 'Remote Origin Already Exists' in Git Clone
Fix Cloudflare Wildcard Subdomain and Root Domain Conflict
Resolve Chrome Sync Not Working
Linux Python Memory Error When Processing Big Files
How to Restore Windows Security App in Windows 10/11
How to Solve Pip Install Virtualenv Permission Denied
Nginx 502 Bad Gateway: Docker Load Balancer Fixes
Conda Not Working in VS Code Terminal
Desk note

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