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...

Fix SSL Certificate Errors in Windows Search

When Windows Search throws an SSL certificate error—often as 'The certificate is not valid' or 'A...

Windows Search Setup Guide for Beginners

If you've just installed Windows or are finding that search is slow or missing files, this guide ...

Fix PowerShell 502 Bad Gateway with Curl

If you're seeing a 502 Bad Gateway error when running curl commands in PowerShell, it usually mea...

Fix Error 0x80070643 Windows Update Permission Denied

You see error 0x80070643 when trying to install Windows updates, often accompanied by a message a...

How to Back Up and Restore Microsoft Store Apps in Windows 11

If you've reinstalled Windows 11 or moved to a new PC, you might need to restore your Microsoft S...