Fix Windows Search 502 Bad Gateway Errors Caused by Firewall Blocks
You open Windows Search, type a query, and get a "502 Bad Gateway" error. This often means a fire...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Security Offline Installer Fails
When installing Windows Security (formerly Windows Defender) offline, the installer may fail sile...
Fix Outlook Authentication Failed: App Password Not Working
If you're seeing an authentication failed error in Outlook and your app password...
Fix Windows Activation Blank Screen Stuck on Startup
You boot your PC and instead of the desktop, you see a blank screen with a Windows activation wat...
Windows Security DNS Error Troubleshooting Checklist
If you see a DNS error in Windows Security—like 'DNS resolution failed' or 'We can't connect to t...
Remote Desktop Permission Denied: Quick Fixes
You try to connect to a remote PC and get an 'access denied' or 'permission denied' error. This u...
Issue queue
SitemapError 0x80070005 in Windows Security: Rate Limit Fixes
Fix Windows Search Bar Not Responding After Update
Clear Microsoft Store Cache on Windows 10/11
OneDrive Large File Troubleshooting Guide
Fix Windows Activation Key Not Recognized – Step by Step
BitLocker Permission Denied After Password Change: How to Fix
Resolve Windows Terminal JSON Parsing Error After Update
Troubleshoot OneDrive Offline Installer Permission Denied
How to Fix Windows Terminal Cannot Connect to Server
Troubleshoot High CPU in Remote Desktop Windows 11
Windows Terminal vs Command Prompt: Which One Should You Use?
Resolve Windows Search Module Not Found Permission Denied
Fix Windows Search Bar Not Responding After Update
Clear Microsoft Store Cache on Windows 10/11
OneDrive Large File Troubleshooting Guide
Fix Windows Activation Key Not Recognized – Step by Step
BitLocker Permission Denied After Password Change: How to Fix
Resolve Windows Terminal JSON Parsing Error After Update
Troubleshoot OneDrive Offline Installer Permission Denied
How to Fix Windows Terminal Cannot Connect to Server
Troubleshoot High CPU in Remote Desktop Windows 11
Windows Terminal vs Command Prompt: Which One Should You Use?
Resolve Windows Search Module Not Found Permission Denied