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

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

How to Fix Windows Update Authentication Failed Error

When you see 'Authentication failed' while running Windows Update, it usually means the update se...

Postman Request Timeout Troubleshooting Steps

You send a request in Postman, wait, and then see “Could not get any response” or a timeout error...

Fix Windows Update Dependency Conflict with DISM

When you run Windows Update and encounter errors like 0x800f081f or 0x80073712, a dependency conf...

Fix Windows Update Error 0x80070002 Version Mismatch

You run Windows Update and get error 0x80070002 with a message about a version mismatch. This usu...

Optimize Microsoft Store for Better Performance

If the Microsoft Store feels sluggish, takes long to load, or downloads are slow, it's often due ...