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

Fix Microsoft Store Dependency Conflict with PowerShell

You open Microsoft Store and see an error like 0x80073D0A or 0x80073CF6...

Stop Command Prompt High CPU Usage When Idle

You open Task Manager and see Command Prompt (cmd.exe) using 20-40% CPU, even though no windows a...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Setup Windows Security to Avoid Port Allocation Conflicts

Port allocation conflicts often occur when an application tries to bind to a port already in use ...

Microsoft Teams Camera Black Screen: Practical Fixes

You join a Teams meeting and your camera shows a black screen. Your video doesn't appear for othe...

How to Fix Outlook Login Loop Authentication Failed Error

If you're stuck in an Outlook login loop with an "authentication failed" message, you're not alon...