How to Fix Error 0x8000FFFF
This error is a know Dev Error from Warzone / MW2019.
Its called “DEV Error 6071” you can either search it up on Youtube or use that short tutorial from me:
- Windows + R
- Goto: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography
- Click on the Cryptography folder.
- And on the right double click on MachineGuid and paste in this code: