Having trouble downloading the extention pack for virtual box (windows 10)

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Brand new windows user here. I have successfully installed Virtual Box 5.1.8, and I'm having trouble downloading the extension pack. This is on a completely brand new machine with windows 10 installed (some sort of HP laptop that I grabbed from Sam's Club on Wednesday). I downloaded the extension pack from this page. I am the only user on the machine and I believe I have administrator privileges.

I run the extension pack (called Oracle_VM_VirtualBox_Extension_Pack-5.1.8-111374) by double clicking on the icon from the Downloads folder, and it seems to open up Virtual Box automatically and it prompts me with a prompt, asking me whether I want to install the extension pack or cancel. I click install, agree to the VirtualBox license, and I'm met with this error:

Failed to install the Extension Pack 
C:/Users/Nick/Downloads/Oracle_VM_VirtualBox_Extension_Pack-5.1.8-111374.vbox-extpack.

The installer failed with exit code 1: VBoxExtPackHelperApp.exe: error: Failed to rename 
the temporary directory to the final one: VERR_ACCESS_DENIED 
('C:\Program Files\Oracle\VirtualBox\ExtensionPacks\Oracle_VM_VirtualBox_Extension_Pack-_-
inst-12020' -> 
'C:\Program Files\Oracle\VirtualBox\ExtensionPacks\Oracle_VM_VirtualBox_Extension_Pack')


rcExit=1.

Result Code: E_FAIL (0x80004005)
Component: ExtPackManagerWrap
Interface: IExtPackManager {edba9d10-45d8-b440-1712-46ac0c9bc4c5}

So, there seems to be some sort of permissions issue. But I'm confused by the fact that I am the only user on this machine and I am an administrator, so there should be no issue. Secondly, no such temporary directory exists when I look after the failed install, so either there is some sort of automatic cleanup on error or there is a previous error of not creating the temporary folder in the first place not being caught by the install process (might also be a permissions error).

I will update this post with other attempts to solve the problem. Thanks for the help!

windows
windows-10
virtualbox
asked on Super User Nov 4, 2016 by Nick Manning • edited Nov 4, 2016 by Nick Manning

1 Answer

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You cam manually install the extension pack if the double click and selecting 'Install' fails. From in the app, choose File –> Preferences in menu, then select Extensions option in VirtualBox console. From here you can browse the downloaded extension pack and install it on Windows 10.

vb_ui

answered on Super User Nov 4, 2016 by edusysadmin

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