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

How to Fix Outlook High CPU Usage Caused by Add-ins

If Outlook is using 50% or more of your CPU for no obvious reason, an add-in is often the culprit...

MongoDB Compass Cannot Connect to localhost:27017 – Fixes

You open MongoDB Compass, enter localhost:27017, click Connect, and get an error: “c...

Fix Chrome 'ERR_CONNECTION_REFUSED' Due to Proxy Settings

You're trying to load a website, but Chrome shows ERR_CONNECTION_REFUSED. The pa...

Chrome Connection Timeout Setup: How to Adjust and Troubleshoot

If Chrome frequently hangs on 'Connecting...' or displays 'This site can’t be reached — took too ...

How to Set Up Remote Desktop on Windows 11

Before You Start

Remote Desktop lets you connect to your Windows 11 PC from another devic...

How to Fix Windows Defender Error 0x80070422

When you see error 0x80070422 in Windows Defender, the Security Center service or Windows Update ...