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

How to Free Up a Port in Command Prompt (Windows)

When an application fails to start because a port is already in use, you need to free that port. ...

Resolving npm Dependency Conflicts After an Update

Fix Microsoft Store Error 0x80073cf0 Dependency Conflict

You see error 0x80073cf0 when trying to install or update an app from the Microsoft Store. The me...

Fix Windows Activation File Locked Error: Step-by-Step Guide

When Windows activation fails with a message that a file is locked, it usually means the system c...

Windows Update 404 Not Found: Practical Checklist

When Windows Update gives you a 404 Not Found error, it usually means the update files are missin...

Fix Outlook Login Loop in Office 365

You enter your Office 365 credentials in Outlook, but it keeps asking you to sign in again. This ...