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

Fix Microsoft Store After Changing Network

If you recently changed your network—switched Wi-Fi, moved to a new ISP, or updated router settin...

How to Unlock a File Locked by Windows Terminal

You try to delete, rename, or edit a file and get an error that it's open in Windows Terminal. Th...

Fix Microsoft Teams Version Mismatch Errors

If you're seeing "version mismatch" errors in Microsoft Teams, it usually means two people are ru...

Fix Windows Defender Log File Access Denied Error

When you try to open Windows Defender logs (e.g., from Event Viewer or the Microsoft Defender por...

Fix Windows Security Error 0x80073b01: Step-by-Step Guide

You try to open the Windows Security app and get error code 0x80073b01. The app may crash or refu...

How to Fix Cloudflare Tunnel Not Working After Update