Update Guest additions not possible on Windows 7 because of driver signature error

Discussions about using Windows guests in VirtualBox.

Update Guest additions not possible on Windows 7 because of driver signature error

Postby exaveal » 28. Nov 2021, 14:35

Hello,

when I want to updated the Guest Additions on a Windows 7 guest, a driver signature failure came up. The installation is aborted and not possible.

Code: Select all   Expand viewCollapse view
ERROR (800b0100): Es war keine Signatur im Antragsteller vorahnden.
Execution returned exit code: 2
Error executing ...


I started the .exe with Administration rights, but no difference.

I know this is perhaps a Windows Driver Signature Problem, but I hope to get help here.
exaveal
 
Posts: 2
Joined: 28. Nov 2021, 14:26

Re: Update Guest additions not possible on Windows 7 because of driver signature error

Postby scottgus1 » 28. Nov 2021, 14:56

This might be due to Windows 7 not having SHA256 security hashing. Try web-searching how to get Windows 7 to recognize SHA256 security certificates.
scottgus1
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Posts: 14347
Joined: 30. Dec 2009, 20:14
Primary OS: MS Windows 10
VBox Version: PUEL
Guest OSses: Windows, Linux

Re: Update Guest additions not possible on Windows 7 because of driver signature error

Postby exaveal » 1. Dec 2021, 01:46

Thanks, that was the solution!
exaveal
 
Posts: 2
Joined: 28. Nov 2021, 14:26

Re: Update Guest additions not possible on Windows 7 because of driver signature error

Postby scottgus1 » 2. Dec 2021, 01:42

Great! Glad you're up and running.
scottgus1
Site Moderator
 
Posts: 14347
Joined: 30. Dec 2009, 20:14
Primary OS: MS Windows 10
VBox Version: PUEL
Guest OSses: Windows, Linux


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