Fix Windows Update 502 Bad Gateway Due to DNS Configuration
If you see a '502 Bad Gateway' error when running Windows Update, the problem is often on the net...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security Offline Installer Fails
When installing Windows Security (formerly Windows Defender) offline, the installer may fail sile...
How to Fix Microsoft Store File Locked Error
If you see a 'file locked' error when trying to install or update an app from the Microsoft Store...
Fix Windows Defender Connection Refused After Update
After a recent Windows Update, you might see a "connection refused" error when trying to open Win...
How to Speed Up Windows Update Downloads
When Windows Update downloads crawl, it's usually not your internet connection. Here are practica...
Windows Defender and Ubuntu: Troubleshooting Checklist
If you're running Ubuntu through WSL or in a dual-boot configuration, Windows Defender can someti...
Topic paths
Quick titles
Fix PostgreSQL 'Connection Refused' on LocalhostChecklist to Clear and Rebuild Windows Update CacheFix Microsoft Store Connection Timeout ErrorGit Push Rejected: Non-Fast-Forward Error FixFix Windows Defender Token Expired Error in Command PromptWindows Defender Failed to Start: Error 0x800106baFix Windows Update Error 0x80070005: Step-by-Step GuideHow to Fix Windows Activation Error 0x8007007b