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

Fix Windows Defender Real-Time Protection Turned Off & Connection Refused

You open Windows Security and see real-time protection is off. Trying to turn it on fails with a ...

How to Fix BitLocker DNS Error on Windows 10

If you see a BitLocker error referencing DNS problems on Windows 10, it usually means the system ...

How to Fix 'npm command not found' on Mac

BitLocker Recovery Key Not Accepted: 504 Error Fix

You enter your BitLocker recovery key, but get a 504 error. The key is not accepted. This usually...

Fix Windows Security Blank Screen in Command Prompt

You open Windows Security from Command Prompt and see nothing but a blank window. This can happen...

BitLocker Best Settings and Fix for Error 0x8031004a

If you're seeing BitLocker error 0x8031004a, it usually means the Trusted Platform Module (TPM) i...