Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

How to Fix Git Push Rejected: Non-Fast-Forward Merge

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

Windows Defender Real-Time Protection Registry Fix Guide
If Windows Defender real-time protection won't turn on or keeps turning off, a registry fix c...

Fix 'Permission Denied' in VS Code When File Isn't Read-Only
You're editing a file in VS Code and get a 'Permission denied' error when saving, eve...

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...

Fix Git LFS Authentication Failed on Push
You try to push a repository with Git LFS objects and get an error like Authentication fail...

Firefox Secure Connection Failed Only on WiFi: Fixes
If Firefox shows a "Secure Connection Failed" error only when you're on WiFi—but the ...


    Issue queue
Sitemap
VS Code Git Not Detecting Changes in Workspace: Fixes
Fix 'git pull failed index.lock file exists' Error
How to Fix Missing Source Control Changes in VS Code
Nginx Permission Denied Troubleshooting Ubuntu
How to Debug pnpm Install in CI/CD
How to Resolve Cloudflare 521 on Reboot
How to Resolve Port 5432 Already Allocated in Docker
Reduce Chrome RAM Usage When Watching Videos
Cloudflare 521 Error on Nginx: How to Fix
Troubleshooting Python UnicodeDecodeError
Windows Python Memory Error When Processing Large Files
Resolve Docker Network Not Found Error
Desk note

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