Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Windows 11 Blue Screen After Update Stuck in Restart Loop

After a Windows 11 update, your PC may show a blue screen error and then restart repeatedly, neve...

Nginx Configuration Test Failed: Fix Server Block Errors

When you run nginx -t and see "test failed" with a server block error, it us...

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...

Update Git SSL Certificates to Fix 'unable to get local issuer'
If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...

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

Fix Chrome Certificate Error Invalid Authority on Mac
You're browsing in Chrome on a Mac and suddenly see a warning: Your connection is not...


    Issue queue
Sitemap
Fix ERR_NAME_NOT_RESOLVED in Chrome: Network Troubleshooting Guide
Remove Git Remote Origin: Quick Guide
How to Resolve npm install Permission Denied in CI/CD
Fix Chrome Black Screen After Enabling Hardware Acceleration
Troubleshooting Python Virtual Environment Activation Failure
How to Stop Chrome Crashing from Sandbox
Resolve VS Code Source Control Not Detecting Edits
How to Fix Python Command Not Found on Windows
Fix Git 'index.lock' File Exists Error in IntelliJ
Nginx Restart Permission Denied: Troubleshooting Guide
Node Sass Installation Error: GYP Build Fixes
Fix Chrome Black Screen After Disabling Hardware Acceleration
Desk note

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