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 index.lock File Exists Permission Denied Error

You're in the middle of a Git operation and suddenly you see:

fatal: Unable to ...

Fix Nginx Redirect Loop After SSL Setup
You've set up SSL on your Nginx server, but now visitors get stuck in a redirect loop—HTTP→HT...

How to Fix Firefox Secure Connection Failed Malware Warnings
If you see a "Secure Connection Failed" error in Firefox and suspect malware, it's of...

Fix Chrome Sync Not Working Due to Proxy Settings
When Chrome sync stops working, a misconfigured proxy is a common culprit. You might see errors l...

Fix Cloudflare SSL Full Strict Certificate Mismatch Error
If you set Cloudflare SSL/TLS encryption mode to Full (strict) and see a certificate mismatch err...

Fix DNS Probe Finished NXDOMAIN Not Working on WiFi
If you see "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome while connected to WiFi, your browser ...


    Issue queue
Sitemap
Configuring the Windows Update Service for Reliable Updates
How to Fix Missing Source Control Changes in VS Code
Fix Chrome ERR_CONNECTION_RESET After Router Reboot
Fix Docker System Prune Not Freeing Enough Space
Virtual Environment Activation Fix Guide
Windows Update 0x80070002 Troubleshooting Guide
Fix Node Sass Build Failure by Upgrading Node Version
Fix Externally-Managed-Environment Error: Use Virtual Environment
Stop VS Code Autocomplete From Disappearing
Troubleshooting VSCode Debugger Breakpoints After Update
Resolve npm package json not found in npx
Troubleshoot Error 0x80070002 in Windows Update
Desk note

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