VirtualBox 4.1.2 OS X: VERR_SUPLIB_OWNER_NOT_ROOT / VERR_SUPLIB_WRITE_NON_SYS_GROUP

I got both of these errors when I upgraded to VirtualBox 4.1.2! Yikes! Luckily, both were solved for me by fixing the permissions on the /Applications directory. The VirtualBox forums have the details, links below.

sudo chown root /Applications  #this fixes VERR_SUPLIB_OWNER_NOT_ROOT, details here)
sudo chmod g-w /Applications #this fixes  WRITE_SUPLIB_NON_SYS_GROUP, details here)

That was it! Hope this helps if you hit this error.

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