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

Windows Activation Token Expired After Hardware Change: Fix

After replacing a motherboard, CPU, or hard drive, you may see a message that your Windows activa...

How to Set Up BitLocker Without a 404 Not Found Error

When you try to enable BitLocker Drive Encryption and see a 404 Not Found error, it usually means...

Microsoft Teams Authentication Failed: Step-by-Step Checklist

You try to sign in to Microsoft Teams and see an error like “Authentication failed” or “We couldn...

Fix Microsoft Store 504 Gateway Timeout Not Loading

When you open Microsoft Store and see a 504 Gateway Timeout error, the app may not load at all. T...

Fix Windows Search Access Denied for Administrator Account

Why You See 'Access Denied' as Administrator

You're logged in as an administrator, but Wi...

Reduce Microsoft Teams High CPU Usage: Practical Fixes

If Microsoft Teams is making your laptop fan spin loudly or slowing down other apps, high CPU usa...