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

Fix Windows Defender Permission Denied When Scanning a Folder

You try to scan a folder with Windows Defender and see 'Permission Denied' or 'Access Denied'. Th...

How to Revert BitLocker Settings to Default

If you've changed BitLocker settings and need to go back to the original configuration, this guid...

Fix Windows Security 404 Not Found on Startup

When Windows Security shows a 404 error on startup, it typically means the app can't find its req...

Microsoft Teams Invalid Configuration Fix Guide

You try to sign in to Microsoft Teams and get an error saying the configuration is invalid. The a...

Fix WinSCP Permission Denied Publickey Authentication

When connecting to a remote server with WinSCP using SSH public key authentication, you may see t...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes