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

Fix Windows Defender Error 0x800704ec

You see error 0x800704ec when opening Windows Defender or Windows Security. The message says auth...

How to Refresh an OAuth Token in Command Prompt

If you're working with APIs that use OAuth 2.0, you've likely encountered an expired access token...

How to Fix BitLocker Version Mismatch Error

You might see a BitLocker version mismatch error when trying to unlock an encrypted drive on a di...

How to Fix Windows Defender Service Unavailable in Windows 10

If you see 'Windows Defender service unavailable' in Windows 10, the antivirus may be disabled or...

PowerShell ISE vs Console: Troubleshooting Guide

If you've ever run a script in the PowerShell Integrated Scripting Environment (ISE) only to find...

Fix Chrome SSL Certificate Error: Invalid Common Name