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

Fix Windows Activation High Memory Usage in Safe Mode

If your Windows system is using excessive memory (e.g., 80-99% RAM) and you suspect activation-re...

Microsoft Teams Camera Black Screen: Practical Fixes

You join a Teams meeting and your camera shows a black screen. Your video doesn't appear for othe...

How to Fix 'npm command not found' on Mac

Windows Defender Command Not Found in PowerShell: Fixes

When you type Get-MpComputerStatus or other Defender cmdlets in PowerShell and see <...

Fix Windows Activation Failed to Start Setup Configuration Error

You might see this error when trying to activate Windows after a hardware change, a major update,...

How to Fix WireGuard Handshake Not Completing

If your WireGuard tunnel is stuck at "handshake did not complete," the connection never establish...