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

How to Fix Windows Activation High CPU Usage

If you notice your PC's CPU usage spiking to 100% for no clear reason, a hung or misconfigured Wi...

How to Fix GitHub Actions Permission Denied (publickey) Error

You're running a GitHub Actions workflow and see Permission denied (publickey) when ...

Fix Git Clone Permission Denied (publickey) – Invalid Key

When you run git clone and get Permission denied (publickey) with a mes...

Fix Windows Defender Service Not Running

If you see "Windows Defender service not running" or a red warning in Security Center, the underl...

Fix Windows Defender Offline Scan Not Working on Windows 10

When Windows Defender offline scan fails to start or complete on Windows 10, you might see an err...

Docker Compose Build No Cache Checklist: Step-by-Step

When You Need a Clean Build

If you notice your Docker Compose services are not picking u...