Fix Windows Defender Error 502 Bad Gateway
You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means 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 BitLocker Proxy Error Configuration
You're setting up BitLocker on a domain-joined Windows machine and get an error about a proxy con...
How to Fix Windows 10 Activation Login Loop After Update
After a Windows 10 update, some users encounter a login loop where the system repeatedly prompts ...
How to Fix OneDrive Proxy Error: Setup Guide
If you see a proxy error in OneDrive, it usually means the app can't reach the internet through y...
Fix Windows Defender Missing After Update
After a Windows update, some users find that Windows Defender is missing from the system tray, Se...
Fix Jupyter Notebook Token Not Working on Windows
When you start Jupyter Notebook (or JupyterLab) on Windows, it often opens a browser tab asking f...
Issue queue
SitemapFix Windows Defender Sync Issues Across Devices
Troubleshoot Microsoft Store Connection Refused
Fix Chrome Rate Limit Error by Adjusting Settings
Repair Corrupted Windows Search Settings
How to Resolve 0x80070005 Access Denied in Windows Update
BitLocker 502 Bad Gateway: Causes and Solutions
Fix Outlook Sync Issues with Gmail on Windows: Step-by-Step
VS Code Jupyter Kernel Won't Start
Fix Microsoft Store Permission Denied Error
How to Solve Windows Defender 504 Error
How to Resolve Teams Network Errors
How to Resolve 404 Error in Windows Update
Troubleshoot Microsoft Store Connection Refused
Fix Chrome Rate Limit Error by Adjusting Settings
Repair Corrupted Windows Search Settings
How to Resolve 0x80070005 Access Denied in Windows Update
BitLocker 502 Bad Gateway: Causes and Solutions
Fix Outlook Sync Issues with Gmail on Windows: Step-by-Step
VS Code Jupyter Kernel Won't Start
Fix Microsoft Store Permission Denied Error
How to Solve Windows Defender 504 Error
How to Resolve Teams Network Errors
How to Resolve 404 Error in Windows Update