NtCreateFile(\Device\VBoxDrvStub) failed: 0xc0000034 STATUS_OBJECT_NAME_NOT_FOUND (0 retries)

[AshokMazumder]

Unable to start the VM after system reboot

{{{
9d4.9d8: supR3HardNtChildPurify: Done after 1093 ms and 1 fixes (loop #1).
9d4.9d8: supR3HardNtEnableThreadCreation:
293c.2ac4: Log file opened: 5.2.8r121009 g_hStartupLog=0000000000000004 g_uNtVerCombined=0xa03ad700
293c.2ac4: supR3HardenedVmProcessInit: uNtDllAddr=00007ff906860000 g_uNtVerCombined=0xa03ad700
293c.2ac4: ntdll.dll: timestamp 0xb79b6ddb (rc=VINF_SUCCESS)
293c.2ac4: New simple heap: #1 0000000000c00000 LB 0x400000 (for 1945600 allocation)
293c.2ac4: supR3HardenedWinInitAppBin(0x0): '\Device\HarddiskVolume1\Program Files\Oracle\VirtualBox'
293c.2ac4: System32:  \Device\HarddiskVolume1\Windows\System32
293c.2ac4: WinSxS:    \Device\HarddiskVolume1\Windows\WinSxS
293c.2ac4: KnownDllPath: C:\WINDOWS\System32
293c.2ac4: supR3HardenedVmProcessInit: Opening vboxdrv stub...
293c.2ac4: Error opening VBoxDrvStub:  STATUS_OBJECT_NAME_NOT_FOUND
293c.2ac4: supR3HardenedWinReadErrorInfoDevice: NtCreateFile -> 0xc0000034
293c.2ac4: Error -101 in supR3HardenedWinReSpawn! (enmWhat=3)
293c.2ac4: NtCreateFile(\Device\VBoxDrvStub) failed: 0xc0000034 STATUS_OBJECT_NAME_NOT_FOUND (0 retries)

Driver is probably stuck stopping/starting. Try 'sc.exe query vboxdrv' to get more information about its state. Rebooting may actually help.
9d4.9d8: supR3HardenedWinCheckChild: enmRequest=2 rc=-101 enmWhat=3 supR3HardenedWinReSpawn: NtCreateFile(\Device\VBoxDrvStub) failed: 0xc0000034 STATUS_OBJECT_NAME_NOT_FOUND (0 retries)

Driver is probably stuck stopping/starting. Try 'sc.exe query vboxdrv' to get more information about its state. Rebooting may actually help.
9d4.9d8: Error -101 in supR3HardenedWinReSpawn! (enmWhat=3)
9d4.9d8: NtCreateFile(\Device\VBoxDrvStub) failed: 0xc0000034 STATUS_OBJECT_NAME_NOT_FOUND (0 retries)

Driver is probably stuck stopping/starting. Try 'sc.exe query vboxdrv' to get more information about its state. Rebooting may actually help.
}}}

[Socratis]

So, after you mistakenly reopened ticket #11143, you opened a new ticket. :)

I already replied to you in ticket #11143 (comment 10) so please take a look there.