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

Microsoft Teams Service Unavailable on Mac: How to Fix

When Microsoft Teams shows a 'service unavailable' error on your Mac, it usually means the app ca...

SSH Connection Timed Out: Check Firewall Rules

You type your SSH command, wait a few seconds, and get "Connection timed out." It's a common erro...

How to Fix Command Prompt High CPU Usage on Windows 10

How to Fix Windows Security Not Opening

You click the Windows Security icon in the taskbar or open it from Settings, but nothing happens—...

Set Up Outlook Proxy for Exchange: Step-by-Step

When Outlook can't connect to Exchange, a misconfigured proxy is often the culprit. This guide wa...

Fix Nginx 404 on All Pages Except Index

If your Nginx server loads the index page but returns 404 on all other pages, the issue is almost...