Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Discussions related to using VirtualBox on Windows hosts.
AndyCot
Posts: 296
Joined: 29. Feb 2020, 03:04

Re: Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Post by AndyCot »

See the following for disabling Hyper-V properly on Windows:
viewtopic.php?f=25&t=99390


If you need Hyper-V enabled so you can use Docker and/or WSL then grab the VirtualBox-6.1.35-150972-Win (later version may or may not work) on the following page:
https://www.virtualbox.org/wiki/Testbuilds

NOTE: Make sure you keep a copy of any test versions you download as only the latest is available for download.
Thyfos
Posts: 16
Joined: 14. May 2022, 02:05

Re: Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Post by Thyfos »

AndyCot wrote:See the following for disabling Hyper-V properly on Windows:
viewtopic.php?f=25&t=99390


If you need Hyper-V enabled so you can use Docker and/or WSL then grab the VirtualBox-6.1.35-150972-Win (later version may or may not work) on the following page:
https://www.virtualbox.org/wiki/Testbuilds

NOTE: Make sure you keep a copy of any test versions you download as only the latest is available for download.
It dosen't help

Only some systemsettings seam to lose :-(

See Picture from Error in Virtualbox und my setting in DOS WIndow als Administrator
Attachments
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Thyfos
Posts: 16
Joined: 14. May 2022, 02:05

Re: Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Post by Thyfos »

The new Windowsupdate from today dosen't help :-(

2022-05 Kumulatives Update für Windows 11 für x64-basierte Systeme (KB5014019)

Please solve the Problem .......
BillG
Volunteer
Posts: 5102
Joined: 19. Sep 2009, 04:44
Primary OS: MS Windows 10
VBox Version: PUEL
Guest OSses: Windows 10,7 and earlier
Location: Sydney, Australia

Re: Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Post by BillG »

I doubt that the Windows updates have much to do with your problem. I have been running the KB5013943 update for two weeks and installed KB5014019 today. Neither had any effect on my VirtualBox vms.
Updates.png
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I would be more impressed if you posted a log showing that the Windows hypervisor is not loaded.
Bill
Thyfos
Posts: 16
Joined: 14. May 2022, 02:05

Re: Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Post by Thyfos »

Hello BillG,

thanks for your replay. In the Appendix my logfile
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Thyfos
Posts: 16
Joined: 14. May 2022, 02:05

Re: Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Post by Thyfos »

Here my Updatehistory. I have uninstalled and installed 1 or 2 patches to see if the problem can be solved.

i use a surface pro 8, can it be related to that. I think that it is related to the Windows update, because 5 minutes before the Update everything ran without problems and directly after the patch i got the errors. Between these steps is nothing happened
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Updateverlauf.png
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Last edited by Thyfos on 27. May 2022, 18:33, edited 1 time in total.
scottgus1
Site Moderator
Posts: 20965
Joined: 30. Dec 2009, 20:14
Primary OS: MS Windows 10
VBox Version: PUEL
Guest OSses: Windows, Linux

Re: Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Post by scottgus1 »

If Bill can run with the updates installed, then it's probably not the updates.

Hyper-V is on, and you're running 6.1.34:
00:00:03.043116 VirtualBox VM 6.1.34 r150636 win.amd64 (Mar 23 2022 00:36:21) release log
00:00:03.596752 HM: HMR3Init: Attempting fall back to NEM: VT-x is not available
Test builds 6.1.35 are reported to have some fixes for the recent Hyper-V mess. See Andy's link above. If you use a Test build, save the installer until you change versions in the future.

Alternatively, turn off Hyper-V, see See HMR3Init: Attempting fall back to NEM (Hyper-V is active).

One other alternative, you VM has only one processor. Try two.
Thyfos
Posts: 16
Joined: 14. May 2022, 02:05

Re: Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Post by Thyfos »

Thank you Guys, you are the best! With 2 cpu the Problem seems to be solved!!!!!! Thank you!

the steps to turn off hyper-v i had done, see screenshots above . It doesn't matter now, it works and I am very happy. :) :) :)
scottgus1
Site Moderator
Posts: 20965
Joined: 30. Dec 2009, 20:14
Primary OS: MS Windows 10
VBox Version: PUEL
Guest OSses: Windows, Linux

Re: Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Post by scottgus1 »

Thyfos wrote:With 2 cpu the Problem seems to be solved
Verra interestin'! Thanks for the feedback. Could you please post another log of the VM, just for comparison?
Thyfos
Posts: 16
Joined: 14. May 2022, 02:05

Re: Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Post by Thyfos »

I attached the log after stop a good runinng VM.
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Thyfos
Posts: 16
Joined: 14. May 2022, 02:05

Re: Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Post by Thyfos »

I tested a second VM wiht 2 CPU's. Also no problems here :D
scottgus1
Site Moderator
Posts: 20965
Joined: 30. Dec 2009, 20:14
Primary OS: MS Windows 10
VBox Version: PUEL
Guest OSses: Windows, Linux

Re: Reporting that KB5013943 Update for Windows 11 broke my VirtualBox

Post by scottgus1 »

Thanks for the log!
00:00:03.750645 VirtualBox VM 6.1.34 r150636 win.amd64 (Mar 23 2022 00:36:21) release log
00:00:04.210660 HM: HMR3Init: Attempting fall back to NEM: VT-x is not available
Hyper-V is still enabled, (it can be tricky to get rid of if other thigs like the Windows *Guards are enabled).

Glad the two processors worked!
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