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

Windows Defender for Mac Setup Guide

If you're looking to run Windows Defender on a Mac, you're likely trying to scan files or use a f...

Fix Windows Security Antivirus Not Turning On

You open Windows Security and see that the antivirus is off, with no obvious way to turn it on. T...

Fix Remote Desktop Cache Permission Denied Errors

When you connect to a remote desktop and get a 'permission denied' error, it often isn't a networ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Update Token Expired Error 0x80070057

You see error code 0x80070057 when trying to run Windows Update, often with a message about a tok...

Fix Chrome Profile Error 0x80070057: Setup Guide

You try to launch Chrome and see an error code 0x80070057, often with a message about a corrupted...