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

How to Run Windows Security on a Mac

If you need to run Windows Security (formerly Windows Defender) on a Mac, you're likely trying to...

Fix Chrome Profile Port Already Allocated Error

Fix Chrome 502 Bad Gateway Error on Windows 10

You're browsing in Chrome on Windows 10 and suddenly see 502 Bad Gateway. The pa...

How to Fix Windows Activation Authentication Failed Error

When Windows reports 'activation authentication failed' during activation, it usually means the s...

Fix Windows Activation Error 0x8007007b

If you see error 0x8007007b when trying to activate Windows, it usually means the activation serv...

How to Set Up Remote Desktop for Your Home Network

You want to access your home PC from another device on the same network, or from outside your hom...