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

Stop Windows Search Service to Free Up a Port

You might need to stop Windows Search if it's holding port 10243 or another port you need for dev...

Fix Svchost.exe High CPU Usage on Windows 11

You open Task Manager and see svchost.exe using 30% or more of your CPU. This is common in Window...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Port Already Allocated Error with netstat

When you try to start a service or application and see "port already allocated" or similar, it me...

How to Unlock APT in Ubuntu: Fix Locked Package Manager

If you see an error like 'Could not get lock /var/lib/dpkg/lock' or 'Unable to acquire the dpkg f...

How to Fix Outlook Error 0x800ccc0f (Server Connection Failed)

Outlook error 0x800ccc0f usually appears when sending or receiving email. The message says someth...