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

How to Clear Microsoft Teams Cached Credentials for Authentication

If Microsoft Teams repeatedly asks for your password, shows authentication errors, or fails to si...

Fix Windows Search 404 Error by Rebuilding the Index

When Windows Search throws a "404 error" or returns no results, the search index is often corrupt...

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...

Fix Windows Update 504 Gateway Timeout: Network Troubleshooting Guide

When Windows Update fails with a 504 Gateway Timeout error, it usually means the update server is...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

How to Fix Windows Update Connection Refused Error

When Windows Update shows a 'connection refused' error, it usually means the update service can't...