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

How to Fix Windows Defender Service Not Running

If you see a message that Windows Defender is not running or the security center shows it's off, ...

Fix Windows Defender Real-Time Protection Greyed Out

You open Windows Security, go to Virus & threat protection, and see that the Real-time protection...

Fix Docker Daemon Not Running on Ubuntu 20.04

If you see an error like "Cannot connect to the Docker daemon" or "docker: 'daemon' is not a dock...

pnpm frozen-lockfile vs pnpm-lockfile: When to Use Each

If you've worked with pnpm, you've probably seen --frozen-lockfile in CI scripts and...

Fix 'PowerShell Execution Policy Change Permission Denied' Error

When you try to change the PowerShell execution policy and get a 'permission denied' error, it us...

Fix SSH Permission Denied (publickey) on Raspberry Pi