Knowledge base for software setup, errors, and daily tool work.

Fixing Windows Security Proxy Configuration Issues

When Windows Security (formerly Windows Defender Security Center) can't update virus definitions ...

Windows Terminal Settings Backup and Restore Guide

Windows Terminal stores its configuration in JSON files. If you customize fonts, color schemes, k...

Fix Chrome Profile 504 Gateway Timeout on One Specific Site

If you see a 504 Gateway Timeout error in Chrome only when visiting a particular website, the pro...

Fix Cloudflare DNS Not Working with VPN Connection

If you use Cloudflare DNS (1.1.1.1) and a VPN together, you may hit a snag where DNS stops resolv...

How to Fix Windows Security File Locked Errors

You try to open a file and see a message like "The file is locked" or "Access denied." Sometimes ...

Fix MongoDB Authentication Failed Permission Denied Error