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

Postgres Password Authentication Failed: A Practical Checklist

You're connecting to PostgreSQL and get 'password authentication failed for user'. This is a comm...

How to Configure Windows Defender Firewall Settings for a Network

If you're having trouble with network connectivity or need to allow an app through the firewall, ...

Fix VirtualBox Kernel Driver Not Installed on Windows 10

Fix Redis Server Not Starting Due to Incorrect Bind Address

You start Redis and it fails silently, or logs something like 'Could not connect to Redis'. The s...

Fix Windows Activation Proxy Server Not Responding

When you try to activate Windows and see “proxy server not responding,” it usually means Windows ...

BitLocker Best Settings and Fix for Error 0x8031004a

If you're seeing BitLocker error 0x8031004a, it usually means the Trusted Platform Module (TPM) i...