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

Fix Microsoft Store Invalid Configuration Sync Error

You open Microsoft Store and see a message about invalid configuration, or your apps won't sync. ...

How to Fix PowerShell 404 Not Found Error

When you see a 404 Not Found error in PowerShell, it usually means something the command tried to...

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 After Windows Update

After a recent Windows update, you might see an error like 'port already allocated' when starting...

Fix Windows Defender Port Already Allocated in Windows 11

You start a program that needs a specific network port, but Windows 11 tells you the port is alre...

Fix Microsoft Store Connection Refused DNS Error

When you open Microsoft Store and see a 'connection refused' error, it's often a DNS problem. You...