vbox update prevents VMs from loading

Failed to load R0 module C:\Program Files\Oracle\VirtualBox/VMMR0.r0: SUP_IOCTL_LDR_OPEN failed (VERR_LDR_IMPORTED_SYMBOL_NOT_FOUND).
Failed to load VMMR0.r0 (VERR_LDR_IMPORTED_SYMBOL_NOT_FOUND).
Result Code:
E_FAIL (0x80004005)
Component:
ConsoleWrap
Interface:
IConsole {6ac83d89-6ee7-4e33-8ae6-b257b2e81be8}