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

How to Install an SSL Certificate in Chrome Manually

You may need to manually install an SSL certificate in Chrome when testing a local development si...

How to Fix Windows Activation Error 0x8007007b

When you see error 0x8007007b during Windows activation, it usually means the operating system ca...

Fix Windows Defender Error 0x80070643 on macOS

If you see error 0x80070643 when installing or updating Windows Defender on a Mac (via Parallels,...

How to Fix 'Task Scheduler Module Not Found' Error

When you open Task Scheduler and see the error 'Task Scheduler Module Not Found' (or 'The specifi...

How to Fix Chrome SSL Certificate Error After Update

How to Fix Windows Defender Firewall Blocked App

You try to open an app, but it either won't start or can't connect to the internet. A common caus...