How to Fix 'File Locked by System' in Windows Defender
If you see an error like "File locked by system" when running a Windows Defender scan or trying t...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesMongoDB Authentication Failed: Administrator Checklist
When a MongoDB client reports an authentication failure, the error message usually includes
Nginx 502 Bad Gateway: PHP-FPM Fix Guide
Seeing a 502 Bad Gateway error from Nginx usually means it can't reach PHP-FPM. This is common af...
How to Force Docker Compose Build with No Cache
When you run docker compose build without flags, Docker reuses cached layers from pr...
OneDrive Sync Proxy Error: Step-by-Step Troubleshooting
If you see "OneDrive cannot sync due to a proxy error," the app is likely misconfigured for your ...
How to Clear Microsoft Store Cache to Fix Download Errors
If the Microsoft Store won't load, apps fail to download, or updates get stuck, a corrupted cache...
Issue queue
SitemapFix Windows Defender Dependency Conflict Error
Windows Terminal: Change Default Profile
Stop WSL Ubuntu from Overwriting resolv.conf
Fix Microsoft Store 504 Error: Step-by-Step for Beginners
Fix Chrome Authentication Failed Login Error
IIS 502 Error Caused by PowerShell: Troubleshooting
Fix Cloudflare 525 SSL Handshake Error – Checklist
How to Resolve Docker Desktop WSL Sync Problems
How to Resolve Certificate Error 0x800b0109 in Windows
Windows Port Conflict Troubleshooting Guide
Windows Update Failed to Install: Step-by-Step Checklist
PowerShell Not Working on Mac: Common Fixes
Windows Terminal: Change Default Profile
Stop WSL Ubuntu from Overwriting resolv.conf
Fix Microsoft Store 504 Error: Step-by-Step for Beginners
Fix Chrome Authentication Failed Login Error
IIS 502 Error Caused by PowerShell: Troubleshooting
Fix Cloudflare 525 SSL Handshake Error – Checklist
How to Resolve Docker Desktop WSL Sync Problems
How to Resolve Certificate Error 0x800b0109 in Windows
Windows Port Conflict Troubleshooting Guide
Windows Update Failed to Install: Step-by-Step Checklist
PowerShell Not Working on Mac: Common Fixes