How to Fix Windows Security DNS Error 0x800704cf
You might see error 0x800704cf when opening Windows Security or trying to update Windows Defender...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Increase Remote Desktop Gateway Timeout Limit
If you frequently see "The connection was denied because the user account is not authorized for r...
Chrome Browser Migration: Configuration Tips for a Smooth Move
Moving Chrome to a new computer or profile often results in lost bookmarks, missing passwords, or...
Fix Microsoft Teams Permission Denied Error
You're trying to open a file, share your screen, or access a channel in Microsoft Teams, and inst...
How to Fix Windows Defender 502 Bad Gateway Error
If you see a '502 bad gateway' error in Windows Defender, it usually means the security service c...
Fixing Nginx Permission Denied for Upstream Unix Socket
If you see connect() to unix:/var/run/php-fpm.sock failed (13: Permission denied) in...
Issue queue
SitemapWindows Defender Not Working? Step-by-Step Fix Guide
How to Reset Command Prompt When It Stops Working
Windows Search 502 Bad Gateway: Troubleshooting Checklist
How to Clear Chrome Profile Cache to Fix 504 Errors
Resolving BitLocker Dependency Conflicts
Windows Update Hangs on Download After Reboot: Fixes
How to Recover from Chrome Profile Corruption
Practical Checklist for Windows Defender Settings Problems
Windows Terminal Sync Settings Offline Mode: Fix & Guide
Chrome Remote Desktop Connection Troubleshooting Checklist
Fix Outlook Not Refreshing Inbox (Cache Issues)
Windows Defender Proxy Error Troubleshooting
How to Reset Command Prompt When It Stops Working
Windows Search 502 Bad Gateway: Troubleshooting Checklist
How to Clear Chrome Profile Cache to Fix 504 Errors
Resolving BitLocker Dependency Conflicts
Windows Update Hangs on Download After Reboot: Fixes
How to Recover from Chrome Profile Corruption
Practical Checklist for Windows Defender Settings Problems
Windows Terminal Sync Settings Offline Mode: Fix & Guide
Chrome Remote Desktop Connection Troubleshooting Checklist
Fix Outlook Not Refreshing Inbox (Cache Issues)
Windows Defender Proxy Error Troubleshooting