Windows Defender Real-Time Protection Greyed Out: How to Fix
If you open Windows Security and see the real-time protection toggle greyed out, you can't tu...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesCloudflare 521 Error: Server Timeout – Causes and Fixes
Cloudflare 521 error indicates the web server is down or unreachable. It appears as “web server i...
Fix NET::ERR_CERT_AUTHORITY_INVALID on Windows 10
You're browsing in Chrome or Edge and see NET::ERR_CERT_AUTHORITY_INVALID. T...
Fix DNS Probe Finished NXDOMAIN After Changing DNS
After updating your DNS settings—perhaps to use Google Public DNS or Cloudflare—you might see the...
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...
How to Fix Git Clone Connection Timed Out Error
When you run git clone and see a connection timed out error, it usually...
Issue queue
SitemapResolve JavaScript Heap Out of Memory in Node Tests
How to Resolve Permission Denied Saving VS Code Settings
How to Resolve Docker Network Not Found on Windows
Resolve 'python' Command Not Found After Installing Python 3.10
Troubleshooting Nginx Upstream Connection Issues
Reduce Chrome Tab RAM Usage
Resolve Git Fatal Refusing to Merge Unrelated Histories
Resolve Docker Compose Volume Permission Denied
Resolve Permission Denied Error in Windows Update Service
How to Fix Git Authentication Failed in VSCode on Windows
Docker Port Conflict: How to Resolve
Windows Update Service Won't Stop – How to Fix
How to Resolve Permission Denied Saving VS Code Settings
How to Resolve Docker Network Not Found on Windows
Resolve 'python' Command Not Found After Installing Python 3.10
Troubleshooting Nginx Upstream Connection Issues
Reduce Chrome Tab RAM Usage
Resolve Git Fatal Refusing to Merge Unrelated Histories
Resolve Docker Compose Volume Permission Denied
Resolve Permission Denied Error in Windows Update Service
How to Fix Git Authentication Failed in VSCode on Windows
Docker Port Conflict: How to Resolve
Windows Update Service Won't Stop – How to Fix