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

Fix 'File Locked by System Process' in Windows 10 Search

When you search for a file in Windows 10 and get an error that the file is locked by a system pro...

How to Handle '404 Not Found' Errors in PowerShell

When you get a '404 Not Found' error in PowerShell while using Invoke-WebRequest or ...

Reset Command Prompt to Default Settings: Step-by-Step Guide

When Command Prompt starts with the wrong window size, font, colors, or custom paths, it's often ...

Where Windows Defender Stores Its Cache Files

If Windows Defender (now Microsoft Defender Antivirus) won't update definitions, hangs during sca...

Fix Microsoft Teams SSL Certificate Errors After Update

After a Microsoft Teams update, you might see an error like "There is a problem with your SSL cer...

Fix 'Windows Defender Not Recognized' Error in Command Prompt