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

Fix Windows Update High Memory Usage When Not Working

You open Task Manager and see Windows Update using 50% or more of your RAM, while updates are stu...

How to Fix Outlook 404 Not Found When Clicking Links

When you click a link in an Outlook email and see a '404 Not Found' error, it usually means the l...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

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

BitLocker 502 Bad Gateway Sync Issue: Practical Fixes

If you're seeing a 502 Bad Gateway error when syncing BitLocker recovery keys or policies, the pr...

Fix Windows Activation Failed: Product Key Blocked Error

You try to activate Windows and see: "Activation failed. The product key you entered didn't work....

MongoDB Authentication Failed After Upgrade: Fixes That Work

After upgrading MongoDB, you might see "Authentication failed" even though credentials haven't ch...