Once the driver is installed, launch Command Prompt as an administrator and execute the following command. sc start vboxdrv Finally, close CMD and launch VM to check if the issue is resolved.

If you get VERR_NEM_MISSING_KERNEL_API VirtualBox and attempting to fall back to NEM, then follow the suggestions mentioned here.

Windows patch KB 3045999 conflicts with McAfee (error c0000018), Romax, VirtualBox news analysis Apr 27, 2015 3 mins Operating Systems Small and Medium Business Windows ...