Fixing Windows Security 502 Bad Gateway Errors
If you see a 502 Bad Gateway error in Windows Security (or the Windows Defender portal), it usual...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesWindows Defender Service Troubleshooting Checklist
If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...
Fix Microsoft Store SSL Certificate Error on Windows 11
When you open Microsoft Store on Windows 11 and see an error like "SSL certificate error" or "A p...
Fix Microsoft Teams Error Code cxa20002
Error code cxa20002 in Microsoft Teams usually appears when you try to sign in or launch the app....
How to Set Up Windows Security to Fix DNS Errors
If you're seeing DNS errors like "DNS server not responding" or "DNS probe finished no internet,"...
Fix Windows Update Port Conflicts During Setup
Windows Update setup may fail if a required network port is already in use by another application...
Issue queue
SitemapOneDrive 0x8007016a Not Syncing: Troubleshooting Guide
PowerShell Service Unavailable: Registry Fix Guide
How to Fix pip SSL Certificate Verify Failed on Windows 10
How to Fix Microsoft Store Network Slow Error
Fix Corrupt Windows Search Database
Mac Outlook Auto Launch Troubleshooting Guide
Windows Search Indexer CPU Fix
Enable PowerShell Script Execution: Step-by-Step Guide
Windows Defender Access Denied Error Fix
PowerShell Slow Startup? Check Module Loading
Outlook Safe Mode Troubleshooting for Blank Screen
BitLocker Auto-Unlock Not Working with TPM: Fixes
PowerShell Service Unavailable: Registry Fix Guide
How to Fix pip SSL Certificate Verify Failed on Windows 10
How to Fix Microsoft Store Network Slow Error
Fix Corrupt Windows Search Database
Mac Outlook Auto Launch Troubleshooting Guide
Windows Search Indexer CPU Fix
Enable PowerShell Script Execution: Step-by-Step Guide
Windows Defender Access Denied Error Fix
PowerShell Slow Startup? Check Module Loading
Outlook Safe Mode Troubleshooting for Blank Screen
BitLocker Auto-Unlock Not Working with TPM: Fixes