Unable to start client

Discussions related to using VirtualBox on Mac OS X hosts.

Unable to start client

Postby powersteer » 11. Mar 2021, 02:47

Hi everyone,

Recently I restored my Mac from TimeMachine and Virtualbox (VB) stopped working.

VB app was able to launch properly, when I tries to start my client VM, i faced the error codes below:

Code: Select all   Expand viewCollapse view
Kernel driver not installed (rc=-1908)

Make sure the kernel module has been loaded successfully.

where: suplibOsInit what: 3 VERR_VM_DRIVER_NOT_INSTALLED (-1908) - The support driver is not installed. On linux, open returned ENOENT.


Code: Select all   Expand viewCollapse view
Failed to open a session for the virtual machine XXX.

The virtual machine 'XXX' has terminated unexpectedly during startup with exit code 1 (0x1).

Result Code: NS_ERROR_FAILURE (0x80004005)
Component: MachineWrap
Interface: IMachine {85632c68-b5bb-4316-a900-5eb28d3413df}



I tried to uninstall / reinstall VB but each time the installation failed, I'm stuck now hoping to get help from you. Please share your experience how you manage to resolve this
powersteer
 
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Joined: 11. Mar 2021, 02:42

Re: Unable to start client

Postby scottgus1 » 12. Mar 2021, 02:03

Try MultiOS's suggestion here: viewtopic.php?f=22&p=481332#p481332
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Primary OS: MS Windows 10
VBox Version: PUEL
Guest OSses: Windows, Linux

Re: Unable to start client

Postby powersteer » 21. Mar 2021, 15:54

Thank you for your suggestion, tried more than 20 times but it didn't work :(
powersteer
 
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Re: Unable to start client

Postby granada29 » 22. Mar 2021, 06:44

@powersteer

Something you might try:

1. Uninstall VirtualBox (using the VirtualBox uninstaller script)
2. Reboot
3. In the Terminal
Code: Select all   Expand viewCollapse view
sudo kextcache --clear-staging

4. Reboot
5. Open System Preferences/Security & Privacy/General and unlock it
6. Install VirtualBox, checking System Preferences. If an Allow Oracle entry comes up, then OK it.
7. Reboot
8. Try to run a VM

I'm not sure that 7. Reboot is essential, but it can't hurt.
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Guest OSses: Linux, macOS, Windows

Re: Unable to start client

Postby kaowiec » 25. Mar 2021, 12:24

granada29 wrote:@powersteer

Something you might try:

1. Uninstall VirtualBox (using the VirtualBox uninstaller script)
2. Reboot
3. In the Terminal
Code: Select all   Expand viewCollapse view
sudo kextcache --clear-staging

4. Reboot
5. Open System Preferences/Security & Privacy/General and unlock it
6. Install VirtualBox, checking System Preferences. If an Allow Oracle entry comes up, then OK it.
7. Reboot
8. Try to run a VM

I'm not sure that 7. Reboot is essential, but it can't hurt.



I have the same problem

I tried your solution ... it doesn't work for me.
What else can I do?
kaowiec
 
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Joined: 25. Mar 2021, 12:19

Re: Unable to start client

Postby sudokillall » 25. Mar 2021, 15:21

I am running through the above process but not sure on point 3 - is this command to be entered in recovery mode terminal, or just normal after logging into admin user?
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Re: Unable to start client

Postby sudokillall » 25. Mar 2021, 15:29

I ran through it, running the kextcache command from user's terminal (not recovery terminal) and still can't install, "installation failed". I will try recovery terminal this time and try again
sudokillall
 
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Joined: 13. Feb 2021, 07:01

Re: Unable to start client

Postby sudokillall » 25. Mar 2021, 15:41

Tried both ways now. Still failing to install so assume this isn't the cause of my problem. Will try another thread for suggestions
sudokillall
 
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Re: Unable to start client

Postby kaowiec » 26. Mar 2021, 20:54

kaowiec wrote:
granada29 wrote:@powersteer

Something you might try:

1. Uninstall VirtualBox (using the VirtualBox uninstaller script)
2. Reboot
3. In the Terminal
Code: Select all   Expand viewCollapse view
sudo kextcache --clear-staging

4. Reboot
5. Open System Preferences/Security & Privacy/General and unlock it
6. Install VirtualBox, checking System Preferences. If an Allow Oracle entry comes up, then OK it.
7. Reboot
8. Try to run a VM

I'm not sure that 7. Reboot is essential, but it can't hurt.


I have the same problem

I tried your solution ... it doesn't work for me.
What else can I do?


OK
it works :)
I have to add 5a point:

5a. Change - "App Store" only
kaowiec
 
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Joined: 25. Mar 2021, 12:19

Re: Unable to start client

Postby isitme » 22. Apr 2021, 14:51

I have followed all steps incl. step 5a (asi would not get the prompt to allow oracle in system preferences without it), but still i cannot start my windows VM on mac host. The error remains the same no matter if i try to start an existing VM or start a new one from scratch. Any ideas?
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