Cannot start VMs After 7.2 r169020 Beta Update

[dinobagio]

I cannot boot any of my VMs after I installed 7.2.0_BETA1 r169020

Ex of error while booting my favorite

5824.6364: Error -5657 in supR3HardenedWinReSpawn! (enmWhat=3)
5824.6364: NtCreateFile(\Device\VBoxDrvStub) failed: -5657 (rcNt=0xe986e9e7)
VBoxDrvStub error: Signature #1/1: Not signed with the build certificate (serial 0a a1 8f 63 f9 6f 11 77 1c bb 0b 43 e4 d6 90 b8, expected 06 0e 2f 8f 9e 1b 8b e5 18 d5 fe 2b 69 cf cc b1): \Device\HarddiskVolume3\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe

[dinobagio]

Weird. Did a reboot and it seems to go smoother.
Sorry for the bothering.