Checklists for software errors, setup, and tool workflows.

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. ...

Fix Microsoft Store Invalid Configuration Registry Error

If you see an error saying "Invalid configuration registry" when trying to open Microsoft Store, ...

Fix Microsoft Store High Memory Usage from Antivirus Conflicts

If you notice Microsoft Store using excessive memory (often 500 MB or more) and your system feels...

Fixing 'Access Denied' Errors When Running PowerShell Scripts

If you see an 'Access Denied' error when trying to run a PowerShell script, it's usually not a pe...

Fix Microsoft Teams File Locked Not Opening

When you try to open a file in Microsoft Teams and get a “file locked” or “this file is locked fo...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...