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

Fix Windows Security DNS Errors After a Windows Update

After a recent Windows update, you may see a DNS error inside Windows Security (formerly Windows ...

Fix Windows Defender Firewall Blocking Internet Access

If your internet stops working after a Windows update or security change, Windows Defender Firewa...

Fix PowerShell Invoke-WebRequest Network Errors Behind a Proxy

When you run Invoke-WebRequest in PowerShell and hit a network error, a misconfigure...

Fix VirtualBox Kernel Driver Not Installed on Ubuntu

When you try to start a virtual machine in VirtualBox on Ubuntu and see the error 'Kernel driver ...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

BitLocker Recovery Key Prompt After Windows Update: Fix Guide

You update Windows, restart your PC, and instead of your normal login, you see a blue screen aski...