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

How to Fix Microsoft Teams Not Launching

If Microsoft Teams opens briefly then closes, or fails to start at all, the problem is often loca...

Configuring Windows Defender for Ubuntu Dual-Boot Systems

If you dual-boot Windows and Ubuntu, Windows Defender may flag Linux partitions, boot files, or t...

Fix Windows Defender Token Expired Preventing Service Start

You see 'Token expired' in the Windows Defender event log or a notification that the service didn...

Fix Chrome Sync Error 0x80040201 – Step-by-Step Guide

You try to sign in to Chrome or start syncing, but you get error code 0x80040201. Bookmarks, pass...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix WSL Ubuntu resolv.conf Reset on Every Reboot

If you run Ubuntu on WSL and you've manually edited /etc/resolv.conf to set custom D...