Catalina upgrade and Virtual Box error

Discussions related to using VirtualBox on Mac OS X hosts.

Catalina upgrade and Virtual Box error

Postby paultilling » 28. Oct 2019, 09:38

After upgrading to Catalina I cannot use VirtualBox.
I get a 'Kernal driver not installed (rc=-1908)' warning notice.
I'm not very computer savvy, can any kind soul please advise?
Many thanks in advance!
Paul
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Re: Catalina upgrade and Virtual Box error

Postby socratis » 28. Oct 2019, 10:02

You need to re-install VirtualBox. Pay close attention to the messages. If there's a message about VirtualBox being blocked there are instructions. If not, take a look at Installation fails on 10.13.x, 10.14.x (rc=-1908), specifically the first bullet point...
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Re: Catalina upgrade and Virtual Box error

Postby paultilling » 28. Oct 2019, 11:36

Thanks very much Socratis for the advice.
To re-install Virtualbox should I uninstall VirtualBox first before I do a fresh installation?
And is there any danger of my losing my historic data?
I am a bit nervous about doing something wrong!
Regards
Paul
___________________________________
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Re: Catalina upgrade and Virtual Box error

Postby socratis » 28. Oct 2019, 11:43

paultilling wrote:To re-install Virtualbox should I uninstall VirtualBox first before I do a fresh installation?
It shouldn't matter, the installer installs/updates the files in place, it's smart enough to handle either case.

paultilling wrote:And is there any danger of my losing my historic data?
None whatsoever. It's like if installing/changing LibreOffice (or *Office) won't get your documents/spreadsheets/other lost.

The VMs/spreadsheets are "data", not an integral part of the application that uses that data.
Do NOT send me Personal Messages (PMs) for troubleshooting, they are simply deleted.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
socratis
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Re: Catalina upgrade and Virtual Box error

Postby paultilling » 29. Oct 2019, 15:32

Sorry to labour the point, but is it OK to simply download a copy of virtualbox.org from the internet as if I was a new entrant?
Or should I look for a special 'installer' program that you mention?
And how would I link it to the old data files?
It's a bit different to other programs I believe.
Thanks again
Paul
________________________________________________
paultilling
 
Posts: 35
Joined: 12. Jul 2009, 15:26
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Guest OSses: Windows XP

Re: Catalina upgrade and Virtual Box error

Postby socratis » 29. Oct 2019, 17:44

The question has already been answered. You download the program from virtualbox.org, you install the program, you launch the program.
Do NOT send me Personal Messages (PMs) for troubleshooting, they are simply deleted.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
socratis
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Posts: 27693
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Re: Catalina upgrade and Virtual Box error

Postby paultilling » 29. Oct 2019, 19:58

Hi Socratis, Thank you,
I did exactly as you said, I dowloaded Vertualbox (v6.0.14) on to my Macbook Air with Macoz 10.15 Catalina and 32gb spare memory,
It downloaded right to the end but in the summary it said "The installation failed. Oracle VM Virtualbox was not correctly installed". No messages. I did it twice and both the same.
What do you think?
Paul

PS Previously, when I first tried to run the old version on the new Catalina I got the message: "Kernel driver not installed (rc=-1908)"
paultilling
 
Posts: 35
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Re: Catalina upgrade and Virtual Box error

Postby socratis » 29. Oct 2019, 20:18

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.
Do NOT send me Personal Messages (PMs) for troubleshooting, they are simply deleted.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
socratis
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Posts: 27693
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Re: Catalina upgrade and Virtual Box error

Postby paultilling » 30. Oct 2019, 00:03

Thanks again for your prompt reply.

This is all a bit above me but I am willing to try. May I ask some questions please?
item 3. I joined VirtualBox July'09 but don't know if I am a member of the 'admin group' nor if I have a primary user account. (Probably not).
item 4. How do I actually mount the DMG(presumably of VirtualBox uninstaller) ?

Sorry these are probably rather basic questions.
I hope you don't mind and I very much appreciate you kind assistance
Paul
paultilling
 
Posts: 35
Joined: 12. Jul 2009, 15:26
Primary OS: Mac OS X Leopard
VBox Version: OSE other
Guest OSses: Windows XP

Re: Catalina upgrade and Virtual Box error

Postby bucknaked » 30. Oct 2019, 08:34

I have the same issue. I tried everything in the below topics:
Nothing works. The error is the same reported by other users. I even tried running
Code: Select all   Expand viewCollapse view
spctl kext-consent add VB5E2TV963

in Recovery Mode.
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Re: Catalina upgrade and Virtual Box error

Postby bucknaked » 30. Oct 2019, 11:55

I think I found the solution, in Terminal run:
Code: Select all   Expand viewCollapse view
sudo kextcache --clear-staging

That's it! No need to restart. Try install it again and it shouldn't fail.
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Re: Catalina upgrade and Virtual Box error

Postby paultilling » 30. Oct 2019, 15:34

That's really great news! I am sorry I have never used 'Terminal' before and am nervous to touch it!
Can you lead me through it please? (the steps to take)
Paul
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Posts: 35
Joined: 12. Jul 2009, 15:26
Primary OS: Mac OS X Leopard
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Guest OSses: Windows XP

Re: Catalina upgrade and Virtual Box error

Postby bucknaked » 30. Oct 2019, 16:46

Easy, just open Applications > Utilities > Terminal then copy & paste sudo kextcache --clear-staging into the terminal window and hit Enter.

Then reinstall VirtualBox. (I am unable to insert the link to the download page, so just google search for VirtualBox installation Mac it should be the top one).
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Re: Catalina upgrade and Virtual Box error

Postby socratis » 30. Oct 2019, 19:54

paultilling wrote:item 3. I joined VirtualBox July'09 but don't know if I am a member of the 'admin group' nor if I have a primary user account. (Probably not).
I was talking about the 'admin' group on your computer.

paultilling wrote:item 4. How do I actually mount the DMG(presumably of VirtualBox uninstaller) ?
You double-click on the DMG.

paultilling wrote:That's really great news! I am sorry I have never used 'Terminal' before and am nervous to touch it!
Paul, stick to the instructions that I gave you please...
Do NOT send me Personal Messages (PMs) for troubleshooting, they are simply deleted.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
socratis
Site Moderator
 
Posts: 27693
Joined: 22. Oct 2010, 11:03
Location: Greece
Primary OS: Mac OS X other
VBox Version: PUEL
Guest OSses: Win(*>98), Linux*, OSX>10.5

Re: Catalina upgrade and Virtual Box error

Postby socratis » 30. Oct 2019, 20:09

bucknaked wrote:
Code: Select all   Expand viewCollapse view
spctl kext-consent add VB5E2TV963

You don't need to explicitly do that, the installer does that for you. If you have to intervene manually, that means that the installer script didn't make it to that point, it failed earlier...
Do NOT send me Personal Messages (PMs) for troubleshooting, they are simply deleted.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
socratis
Site Moderator
 
Posts: 27693
Joined: 22. Oct 2010, 11:03
Location: Greece
Primary OS: Mac OS X other
VBox Version: PUEL
Guest OSses: Win(*>98), Linux*, OSX>10.5

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