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 Fix Microsoft Store Proxy Error
You open Microsoft Store and see a message like ‘Proxy server isn’t working’ or ‘Check your proxy...
How to Fix Windows Terminal Port Already Allocated Error
When you see "port already allocated" in Windows Terminal, it usually means another process is us...
How to Fix OpenVPN TLS Handshake Failed Error
If you see "TLS Error: TLS handshake failed" in your OpenVPN client log, the connection cannot es...
WSL Ubuntu Network Adapter Missing: Fix Guide
If your WSL Ubuntu instance suddenly shows no network adapter (e.g., ip link lists o...
Checklist for Debugging 502 Bad Gateway in Command Prompt
You're working on a web app or API, and you get a 502 Bad Gateway error. The browser just says '5...
Issue queue
SitemapRemote Desktop Best Practices for IT Pros
Fix Windows Defender Update Error 0x80070643
VS Code Admin Mode for PowerShell Errors
How to Fix Search DNS Errors on Network Change
How to Fix Windows Defender DNS Errors
Fixing Gradle Build SSL Handshake Failures
Why docker compose build --no-cache Ignores Changes
How to Enable and Read Microsoft Store Logs
How to Bypass PowerShell Execution Policy Restricted
Fix Microsoft Teams Microphone Issues After Update
Troubleshoot BitLocker Offline Installer Configuration Failure
Enable PowerShell Scripts: Fix 'Running Scripts Disabled'
Fix Windows Defender Update Error 0x80070643
VS Code Admin Mode for PowerShell Errors
How to Fix Search DNS Errors on Network Change
How to Fix Windows Defender DNS Errors
Fixing Gradle Build SSL Handshake Failures
Why docker compose build --no-cache Ignores Changes
How to Enable and Read Microsoft Store Logs
How to Bypass PowerShell Execution Policy Restricted
Fix Microsoft Teams Microphone Issues After Update
Troubleshoot BitLocker Offline Installer Configuration Failure
Enable PowerShell Scripts: Fix 'Running Scripts Disabled'