VirtualBox - Install, Upgrade
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 The EXE installer of VirtualBox doesn't appear to support silent installation or upgrading. However, it does contain an MSI which can be extracted like this: 
 VirtualBox-6.1.38-153438-Win.exe -extract
 For some reason it will prompt for elevated privileged even though it merely extracts an MSI to the current users%USERPROFILE%\AppData\Local\Tempfolder.Once the MSI is extracted you just need to upload it and add the usual /qnparameter to make MSI silent. You are now ready to deploy or upgrade VirtualBox. 
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T Tom moved this topic from [Custom Software guide drafts] on