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

Fix Windows Search Returning 404 Not Found Error

When you search for a file or app in Windows and click a result, you may see a ‘404 Not Found’ er...

Fix OneDrive Sync Stuck on Authentication

OneDrive frequently gets stuck on authentication when a user profile or cached credential becomes...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Fix Outlook 'Connection Refused' Error During Exchange Server Setup

When configuring Outlook to connect to an Exchange Server, a 'connection refused' error typically...

How to Fix BitLocker Authentication Failed on Windows 11

You enter your BitLocker PIN or startup key, and Windows 11 shows 'Authentication failed.' This u...

How to Fix 'Teams Permission Denied for File Upload'

You try to upload a file to a Teams channel or chat, but see a 'permission denied' error. This us...