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

How to Fix Cloudflare DNS Not Resolving on Mac

If you've set Cloudflare DNS (1.1.1.1) on your Mac but websites still fail to load or resolve slo...

Fix Maven Dependency Resolution Failed in IntelliJ

Fix PostgreSQL Password Authentication Failed on Windows 10

You're trying to connect to PostgreSQL on Windows 10, but you get 'password authentication failed...

How to Fix Windows Defender DNS Error

You open Windows Security and see a message like "DNS server is not responding" or "Your IT admin...

Fix Windows Terminal Profile JSON Loading Error

You open Windows Terminal and see an error like "Failed to load settings" or "Profile JSON error....

Fix Windows Defender Error 0x80070422 Step by Step

When you see Windows Defender error 0x80070422, it usually means the Windows Defender service isn...