Unable to run on Mojave

[chentao1006]

After I update to Mojave, Virtualbox can't run anymore. There is no any error tip. The app icon just hopped only once on the docker, then stopped running. I tried uninstall and reboot then reinstall, but it's still like that. Please help. Thank you.

[socratis]

You might want to print the following steps, or save them in a test file on your desktop, because there are a couple of reboots, and you don't want to go "hunting" in the forums...

1. Download the latest release, or the latest test build (NOT the development snapshot), if you don't already have them.
2. Reboot.
3. Make sure you're part of the "admin" group. If you are logged in with the primary user account/owner, you are part of the admin group.
4. Mount the DMG from the previous step. Run "VirtualBox_Uninstall.tool". Make sure there are no error messages. If there are, please post them, exactly as they appear.
5. Reboot.
6. Mount the DMG from the previous steps. Double-click the "VirtualBox.pkg". As soon as you start the installation, press "Cmd+L" to show the log. Select "Show All Logs" from the drop-down menu. Before the last step of the installation (Done), click the "Save" in the log window. ZIP and attach that file.
7. Start VirtualBox. If it crashes, open "Console.app" and look at "~/Library/Logs". Is there a VirtualBox related log with the current date/time? ZIP and attach that file as well.

[chentao1006]

I did those steps.

Please check the log file.

[socratis]

You installation looks fine:

Oct 10 16:36:19 chentaode-Mac-mini Installer[4819]: Displaying 'Install Succeeded' UI.

And you have nothing VirtualBox related in the "User Diagnostic Reports" in you open "/Applications/Utilities/Console.app" after you try to run VirtualBox?

What about if you launch VirtualBox, or try to run "VBoxManage" from the terminal? Post the output of the two following commands:

VBoxManage -version
VirtualBox &

[jhoufek]

Same problem. Mac OS 10.14, but VB won't install. Install log attached. No log in Console.

[socratis]

Same problem.

No, not really. You didn't allow the extension to load by allowing Oracle to install/run a kernel extension. See Installation fails on 10.13.x (rc=-1908):

Oct 12 08:59:22 Jamess-MacBook-Pro-3 installd[572]: ./postflight: /Library/Application
        Support/VirtualBox/VBoxDrv.kext failed to load - (libkern/kext) system policy
        prevents loading; check the system/kernel logs for errors or try kextutil(8).

[jhoufek]

At no time did I get a pop-up directing me to “security & privacy” to allow the kext file to load. The only pop-up was informing me that VB failed to install.

[socratis]

At no time did I get a pop-up directing me to “security & privacy” to allow the kext file to load.

You should definitely let Apple know about this!!!
Because, it's their installer, their sh..tuff that they got to fix...

[jhoufek]

I can do that. So I am out of luck in terms of loading VB until Apple does something ?

[socratis]

You didn't read the link that I pointed you to, did you? Well, read it before asking any more questions that have been already answered please...

[ryan a]

I was able to get the kernel extensions to load the KEXTs without user approval by adding the VirtualBox Apple Developer Team ID in spctl kext-consent

I used the following command to get the Team ID:

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codesign -dv --verbose=4 /Applications/VirtualBox.app

Result:

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TeamIdentifier=VB5E2TV963

1. Turn on your Mac, then immediately press and hold Command-R to start up from macOS Recovery.
2. Select Disk Utility from the Utilities window, then click Continue.
3. From the Disk Utility sidebar, select the volume that you're using, then choose File > Mount from the menu bar. (If the volume is already mounted, this option is dimmed.)
4. Then enter your administrator password when prompted.
5. Quit Disk Utility.
6. Choose Terminal from the Utilities menu in the menu bar.
7. Type the command:

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   spctl kext-consent add VB5E2TV963

8. When done, choose Apple () menu > Restart.

[Spartac0]

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spctl kext-consent add VB5E2TV963
spctl: failed to store new configuration.

I'm on the verge of a psychological breakdown.
has Anyone figured this so far?

Cheers
G

[Cubist]

Just joined to say many thanks to 'ryan a' for their solution that worked for me.

[barrykn]

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spctl kext-consent add VB5E2TV963
spctl: failed to store new configuration.

I'm on the verge of a psychological breakdown.
has Anyone figured this so far?

Cheers
G

You must reboot into Recovery mode for the command to work. (I'm guessing you didn't reboot into Recovery, because that's the same error I got when I tried the command without rebooting into Recovery mode first.)

Edit to add: By the way, if I try to install VirtualBox without running the spctl command in Recovery mode, I get this message on the screen near the end, right before the installation fails:

System Extension Blocked
A program tried to load one or more system extensions that are incompatible with this version of macOS. Please contact "Oracle America, Inc." for support.

[barrykn]

You should definitely let Apple know about this!!!
Because, it's their installer, their sh..tuff that they got to fix...

As Darius123 noted in another thread, Apple's developer documentation states (emphasis added):

Beginning in macOS 10.14.5, all new or updated kernel extensions and all software from developers new to distributing with Developer ID must be notarized in order to run. In a future version of macOS, notarization will be required by default for all software.

So I think the ball's back in Oracle's court. In fact, I think I saw some log messages about this during one of my installation attempts:

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error   01:17:55.537849 -0700   syspolicyd   Non-notarized kext blocked: <private>, Mon May 13 07:00:31 2019
error   01:17:55.538131 -0700   syspolicyd   Kernel Extension BLOCKED: <private>
error   01:17:55.538531 -0700   kextd   Kext rejected due to system policy: <OSKext 0x7f9ba2a29560 [0x7fffa6bd78e0]> { URL = "file:///Library/StagedExtensions/Library/Application%20Support/VirtualBox/VBoxDrv.kext/", ID = "org.virtualbox.kext.VBoxDrv" }
error   01:17:55.538602 -0700   kextd   org.virtualbox.kext.VBoxDrv failed security checks; failing.