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

Fix Microsoft Store Not Opening After Reset Settings

After resetting Windows settings, you might find that the Microsoft Store won't open—clicking the...

Fix Windows Defender Service Error 577: Step-by-Step

You try to start Windows Defender, but it fails immediately with error 577, often accompanied by ...

How to Configure Proxy in Windows Terminal

If you need Windows Terminal to use a proxy server—for example, behind a corporate firewall or a ...

Fix PowerShell 502 Bad Gateway in IIS: Step-by-Step

A 502 Bad Gateway error in IIS typically means a downstream server or application pool failed. Wh...

Fix PowerShell Slow Performance After Update

After a Windows update, some users notice that PowerShell starts slowly or runs commands with a d...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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