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

How to Fix Windows Activation Blank Screen with System Restore

If you're seeing a blank screen after entering a Windows activation key, you're not alone. This o...

Fix Windows Defender Service Authentication Failed Error

You might see the error 'Windows Defender service authentication failed' when trying to open Wind...

Fix ERR_SSL_PROTOCOL_ERROR on Windows 10

If you see ERR_SSL_PROTOCOL_ERROR in Chrome or Edge on Windows 10, the browser i...

Fix Task Scheduler 'Access Denied' When Creating New Task

When you try to create a new task in Windows Task Scheduler and see an 'Access Denied' or 'Permis...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

How to Reset MySQL Workbench Connection Settings

If MySQL Workbench suddenly fails to connect to a server you've used before, or if you need to cl...