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

Fix Windows Activation Stuck on Loading Command Prompt

You're trying to activate Windows, but the process hangs on a black screen with "Loading Command ...

How to Fix Windows Security Rate Limit Error

You may see a Windows Security rate limit error when trying to open the app or run a scan. This o...

BitLocker Recovery Key Not Working After Login Loop: Fixes

You enter your BitLocker recovery key, but the system still loops back to the recovery screen or ...

Fix Windows Activation 502 Bad Gateway via Command Prompt

When you try to activate Windows and see a 502 Bad Gateway error, it usually means the activation...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

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

Outlook Service Unavailable: Practical Troubleshooting Checklist

You open Outlook and see the dreaded “Service Unavailable” error. This usually means Outlook can’...