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

Fix Microsoft Store Access Denied for Admin Account

You're signed in with an administrator account, but Microsoft Store still shows 'Access Denied' o...

BitLocker Recovery Key 'Expired' on Windows 11: Fixes That Work

You enter your 48-digit BitLocker recovery key on Windows 11, but the system says it's expired or...

Fix Windows Security Error 0x80070643 on Ubuntu Dual Boot

If you see error code 0x80070643 when running Windows Security or Windows Update on a dual-boot s...

Windows Update Dependency Conflict Setup Guide

You see an error like "Some update files are missing or have problems" or a specific error code s...

Fix Git 'Fatal: Repository Not Found' Despite SSH Key Setup

You've set up an SSH key and added it to your Git hosting service, but when you try to clone or p...

Fix PowerShell Proxy Authentication Failed Errors