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

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...

How to Fix BitLocker Connection Refused Errors

If you see a 'connection refused' error when trying to enable BitLocker or access a BitLocker-pro...

Chrome Extension Install Failed: Common Fixes That Work

You try to install a Chrome extension, but Chrome shows "Install failed" or "Could not install" —...

Fix Windows Activation Authentication Failed: Invalid Product Key

You see "Windows activation authentication failed" or "product key not valid" when trying to acti...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Command Prompt Network Error Checklist

When you run a command like ping or tracert in Command Prompt and get a...