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

Fix VirtualBox Kernel Driver Permission Denied on Linux

Fix Windows Security High Memory Usage

If you notice that Windows Security (formerly Windows Defender) is using a lot of memory—sometime...

Windows Terminal Installation Guide Step by Step

Windows Terminal is a modern, tabbed terminal application for Windows 10 and 11. This guide walks...

Fix Windows Defender Sync Issues Across Devices

Windows Defender syncs security settings and scan history across your devices through your Micros...

Fix Task Scheduler Slow Performance on Windows 10

If the Task Scheduler in Windows 10 takes a long time to open, refresh, or respond, you're not al...

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...