Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

Fix 'Permission Denied' in VS Code Terminal for Python

You're in VS Code, you open the terminal, type python script.py, and get p...

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...

Windows Defender Real-Time Protection Troubleshooting Checklist
If Windows Defender real-time protection fails to turn on or keeps turning off, you may see warni...

Prevent Git Index Lock File Creation: Practical Fixes
If you see fatal: Unable to create 'path/to/.git/index.lock': File exists., ...

How to Fix Nginx Redirect Loop in Server Block
You set up a server block in Nginx, but now the browser keeps redirecting—http to https, or www t...


    Issue queue
Sitemap
Resolve Nginx 'invalid location directive' Error
How to Fix Blank or White Windows Taskbar Icons
Nginx Permission Denied for Root Directory Fix
Troubleshooting VS Code Java Language Server Issues
Resolve VS Code Git Login Prompt Not Showing
Resolve npm Build Failures from Missing Packages
Node Version Error When Installing Package: Fix
How to Fix Git SSL Certificate Verify Failed Error
How to Read Large Files in Python Without MemoryError
Resolving Firefox Certificate Errors
How to Set Up and Fix Wildcard Subdomains in Cloudflare
Chrome Not Opening? Save Bookmarks First
Desk note

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