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

Enable Windows Security Manually When It Fails to Start

If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...

Windows Activation Module Not Found After Update: Fix

After a recent Windows update, you may see an error that the activation module is missing or not ...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix Windows Defender 404 Error in Command Prompt

When you try to run Windows Defender commands from Command Prompt and get a '404 Not Found' error...

Fix OneDrive Sync Error 0x8007017c on Mac

You're syncing files in OneDrive on your Mac when a notification pops up: "We can't sync this fil...