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 notesFixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...
Fix Windows Update Error 0x80070002 Using DISM
If you see Windows Update error 0x80070002, it usually means the update system can't find a n...
Fix 'Permission Denied' When Installing Python Packages Without sudo
If you see "Permission denied" when running pip install, you're not alon...
How to Fix pnpm ERR! Unsupported URL Type
When using pnpm, you may encounter an error like pnpm ERR! Unsupported URL Type. Thi...
How to Resolve Git Unrelated Histories Merge Conflict
When you try to merge two branches that have no common commit history, Git refuses with fat...
Issue queue
SitemapHow to Reclaim Docker Disk Space for Images
Resolve Docker Pull Access Denied Despite Successful Login
How to Resolve Windows 11 Update Stuck at Zero Percent
Troubleshooting Nginx Infinite Redirects
Fix VS Code Terminal 'Access Denied' Error
Fix VS Code IntelliSense Not Working After Update
Fix Windows Defender Real-Time Protection Disabled by Malware
Fix PyCharm Virtual Environment Not Activating
How to Fix ERR_CONNECTION_RESET in Chrome
Troubleshoot Cloudflare 521 for Wildcard Subdomains
Resolve pip Externally-Managed-Environment for venv on Linux
Fix Python UnicodeDecodeError in Socket Data
Resolve Docker Pull Access Denied Despite Successful Login
How to Resolve Windows 11 Update Stuck at Zero Percent
Troubleshooting Nginx Infinite Redirects
Fix VS Code Terminal 'Access Denied' Error
Fix VS Code IntelliSense Not Working After Update
Fix Windows Defender Real-Time Protection Disabled by Malware
Fix PyCharm Virtual Environment Not Activating
How to Fix ERR_CONNECTION_RESET in Chrome
Troubleshoot Cloudflare 521 for Wildcard Subdomains
Resolve pip Externally-Managed-Environment for venv on Linux
Fix Python UnicodeDecodeError in Socket Data