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

Fix Chrome Profile 404 Not Found Error

You launch Chrome and see a 404 error related to your profile. The browser may fail to load bookm...

How to Fix Microsoft Store Token Expired Error

When you see a 'token expired' error in Microsoft Store, it usually means the authentication toke...

Fix 'Windows Activation Service Not Starting' Permission Denied

When you see "Windows Activation Service not starting" with a "permission denied" error, the serv...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...

Fix Outlook Version Mismatch Error Code

You open Outlook and see a version mismatch error code, often accompanied by a message that the p...

How to Add a Public Key to authorized_keys File

If you're setting up SSH key-based authentication, you need to add your public key to the ~...