Error "WinVerifyTrust failed with hrc=Unknown Status" when launching a guest machine on VirtualBox

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After working flawlessly for months, all of a sudden I cannot launch guests on VirtualBox. When I attempt to launch a VM, I receive the error:

WinVerifyTrust failed on stub executable: WinVerifyTrust failed with hrc=Unknown Status 0x8009200D on '\Device\HarddiskVolumeX\Program Files\Oracle\VirtualBox\VirtualBox.exe' (rc=-22919) Please try reinstalling VirtualBox.

I've uninstalled and reinstalled VirtualBox (5.0.0.r101573), and also deleted and re-imported my OVA Appliance, but am still receiving this error.

Any ideas?

Edit

From this post here, seemingly Windows Security Update KB3081320 breaks VB.

I've confirmed that after removing KB3081320 via 

wusa /uninstall /kb:3081320

and rebooting, that I can load the VM again. However I do not feel comfortable with this workaround as security is now potentially compromised.

StuartLC

Posted 2015-11-16T09:28:10.143

Reputation: 233

1

related : http://superuser.com/questions/942036/virtualbox-fails-to-start-on-windows-server-2003

– BlueBerry - Vignesh4303 – 2015-11-16T09:35:08.607

1You are not using the current version of VirtualBox this problem can be solved by simply, by installing the current version of VirtualBox, you don't have to uninstall the related security update. – Ramhound – 2015-11-16T15:58:59.480

Thanks @BlueBerry-Vignesh4303 and RamHound - I'll download the latest version of VirtualBox overnight and let you know. – StuartLC – 2015-11-16T16:02:09.757

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install VB 5.0.10: https://www.virtualbox.org/wiki/Downloads

– magicandre1981 – 2015-11-16T20:59:06.483

Answers

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I found that installing the new Virtual box from https://www.virtualbox.org/ fixed mine , version 5.0.10, i think it has to do with the windows 8.1 windows update

ilse

Posted 2015-11-16T09:28:10.143

Reputation: 136

1updating to the latest vbox version resolved this issue for me. – bkr – 2015-11-17T23:15:49.260

1Thanks - after a couple of days, Windows will reinstall KB3081320 again breaking VB. Upgrading to VB 5.0.10 was trivial, and all the existing machines and configurations were all retained. – StuartLC – 2015-11-19T12:54:26.957

BTW, looks like installing a recent Windows 10 like the ones from the "Insider Preview" program will break VirtualBox - I could not find any fix. – Paulo Scardine – 2017-07-12T18:32:15.137

Asked: 2015-11-16T09:28:10.143

Viewed: 19 489 times

Active: 2015-11-18T18:30:21.447