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

Fix Remote Desktop Black Screen After Login

You log into a remote computer via Remote Desktop (RDP), see the login screen, enter credentials,...

How to Clear Windows Defender Cache with a Tool

If Windows Defender is acting up—showing incorrect threat history, failing to update, or consumin...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Microsoft Store Blank Screen on Windows 11

If you open the Microsoft Store on Windows 11 and see nothing but a white or gray screen, the app...

Fix Windows Update Error 0x80070005 Access Denied

You see error 0x80070005 when trying to install updates. The message says "Access Denied." This u...

Fix Windows Update Error: Port Already Allocated

You try to run Windows Update, but it fails with an error about a port already being allocated. T...