Virtual Machines fail to start Win10 build 14267

[GuyLangston]

Also under 5.0.15 r105651 and 4xbranch

Result Code: E_FAIL (0x80004005) Component: MachineWrap Interface: IMachine {f30138d4-e5ea-4b3a-8858-a059de4c93fd}

VBoxHardening.log:

supR3HardenedVmProcessInit: Opening vboxdrv stub... 12a8.12a4: supR3HardenedWinReadErrorInfoDevice: 'ntdll.dll: 4 differences between 0x14a050 and 0x14a053 in #5 (.da' 12a8.12a4: Error -5600 in supR3HardenedWinReSpawn! (enmWhat=3) 12a8.12a4: NtCreateFile(\Device\VBoxDrvStub) failed: Unknown Status -5600 (0xffffea20) (rcNt=0xe986ea20) VBoxDrvStub error: ntdll.dll: 4 differences between 0x14a050 and 0x14a053 in #5 (.da 14e8.11f8: supR3HardenedWinCheckChild: enmRequest=2 rc=-5600 enmWhat=3 supR3HardenedWinReSpawn: NtCreateFile(\Device\VBoxDrvStub) failed: Unknown Status -5600 (0xffffea20) (rcNt=0xe986ea20) VBoxDrvStub error: ntdll.dll: 4 differences between 0x14a050 and 0x14a053 in #5 (.da 14e8.11f8: Error -5600 in supR3HardenedWinReSpawn! (enmWhat=3) 14e8.11f8: NtCreateFile(\Device\VBoxDrvStub) failed: Unknown Status -5600 (0xffffea20) (rcNt=0xe986ea20) VBoxDrvStub error: ntdll.dll: 4 differences between 0x14a050 and 0x14a053 in #5 (.d

[GuyLangston]

error window

[GuyLangston]

Version tried: 4.3.36-105129, 5.0.4-102546, 5.0.14-105127, 5.0.15-105651

[Frank Mehnert]

Duplicate of #14052. Fixed in the most recent 5.0 and 4.3 test builds, please try again.

[GuyLangston]

Installed VirtualBox-5.0.15-105696-Win.exe; it prompted me to upgrade the extensions.

In short, now all works.

Thanks for your help. Great Project. Hugely appreciated.