When you try to run VirtualBox, you might have encountered the following error for all your virtual machine OSes:
Full error message in text:
Call to NEMR0InitVMPart2 failed: VERR_NEM_INIT_FAILED (VERR_NEM_VM_CREATE_FAILED).
|Result Code:||E_FAIL (0x80004005)|
This is a known bug starting from version 6.1.28
- Disable Windows hyper-v and restart computer twice
- Downgrade virtualbox to the oldest version (you might also want to disable the virtualbox extension page)