Below is a quick "how-to" verifying if the Oracle code signing certificate is present in the correct Windows certificate store. This is helpful if you’re testing silent Passages deployments and the VirtualBox installation fails, as this failure is most often caused by the Oracle code signing certificate not being present before installing VirtualBox. Windows does not trust the Oracle certificate unless the certificate has been added to the Trusted Publishers certificate store, or if the user manually trusted the certificate during a previous VirtualBox install by selecting “Always Trust”.
1. Select Start > Run or hold the Windows key and press "R"
2. In the "Open" box type "MMC" and select OK
3. In MMC “Console1” Select File > Add/Remove Snap-in…
4. Select the Certificates snap-in and select Add
5. In the Certificates Snap-in Wizard, select Computer Account
6. Select Local Computer and Finish
7. In Add or Remove Snap-ins select OK
8. Within the MMC console expand Certificates ( Local Computer ) > Trusted Publishers > Certificates. Verify the Oracle Corporation Code Signing certificate is present. The current certificate expires in 2019, which is at the last certificate in this image.