[100% fixed] hypervisor launch failed; the operating systems boot loader failed with error 0xc00000bb

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This text provides a solution for a difficulty the place Home windows VM does not start with blunder “hypervisor ship off fizzled; the working frameworks boot loader fizzled with mistake 0xc00000bb.”.

Microsoft Hyper-V shoppers operating Home windows Server 2012/R2 must be cautious close to introducing replace safety replace KB5009586 or KB5009624 for Home windows Server 2012/R2. The safety refreshes delivered on January 11, 2022 have a couple of unsavoury incidental losses on the double. Within the wake of introducing the safety refreshes, the Hyper-V host (Home windows Server 2012, Home windows Server 2012 R2 or Hyper-V Server 2012) can by no means once more be begun.

Companions report that safety replace KB5009624 on Home windows Server 2012 R2 breaks community organizer entry from scanners. On the level once you try to brush to an organizations organizer, as an illustration, from a HP MFP, DNS drops, the area regulator studies that Home windows has noticed a mistake and a second later it goes into reboot.

I received a couple of peruser remarks whining a few Hyper-V host not starting. From consumer TomTom there may be on this German remark with the accompanying subtleties (I’ve interpreted the textual content):

In all circumstances, the primary association I’m conscious of is to uninstall the January 11, 2022 safety replace.

The difficulty is related with the Month-to-month Roll up KB5009624

KB5009624 (Month-to-month Rollup)

To affirm this, observe down the road within the replace historical past:

[100% fixed]hypervisor-launch-failed-the-operating-systems-boot-loader-failed-with-error-0xc00000bb

Answer:01: to begin with Disabling Safe Boot

☑️Issues being what they’re, safe boot is intermittently answerable for this particular situation. This can be a part offered with Home windows 8 that likewise made it is a strategy to Home windows 10. Its job is to forestall malware and rootkits from operating throughout the underlying boot succession.

☑️Throughout a Safe Boot association, your PC will simply boot with the product trusted by OEMs (Authentic Tools Producers. However assuming you are using cloned SSDs or modified tools, it may possibly wrestle with the booting succession beneath particular PC designs and set off the “Blinitialize library fizzled 0xc00000bb” mistake. The protected boot part could view the distinctions as a safety break and maintain the PC from booting up usually.

☑️A number of impacted shoppers have introduced that they found out the right way to decide this situation by crippling safe boot from the BIOS menu of their PC. Assuming you are experiencing precisely the identical situation and also you speculate that secure boot could also be answerable for this situation, adhere to the instructions down beneath to debilitate the safety embody from BIOS settings:

☑️When your PC begins in addition up, start squeezing the Setup key throughout the underlying startup display.  The association key depends upon your motherboard producer, but it must be obvious on the underlying display.Urgent the Setup key to enter BIOS settings

Key factors: If you cannot see the Setup key (BIOS association) on the underlying display, search on-line for “setup key + *motherboard producer*”

☑️On the level once you’re inside your BIOS settings, advance towards the Safety tab and seek for a part referred to as Safe Boot. Whenever you see it, set it to Disabled.Disabling Safe Boot

Key factors :-Maintain as a foremost precedence that the BIOS menu and the precise space of the protected boot component can be numerous throughout numerous makers. Hope to search out the Safe Boot possibility beneath System Configuration, Boot or Authentication -contingent upon your motherboard maker.

☑️When you determine the right way to cripple safe boot, save your setup and depart your BIOS settings. Your PC will then, 

☑️On the following boot association, verify whether or not your PC is presently prepared to complete the cycle successfully with out experiencing the “Blinitialize library fizzled 0xc00000bb” mistake.

Assuming the same situation is as but taking place, drop right down to the next approach beneath.

Answer:02: Fixing the booting succession

☑️As a rule, the blinitialize library bombed 0xc00000bb” error will occur due to a hidden booting situation. In circumstances like this, the very best technique of settling the problem is to repair the entire booting association by using Bootrec.exe – an underlying Home windows utility match for fixing the skilled boot document, the boot grouping and the boot design info. Any of this stuff may be answerable for the blunder that you simply’re at current managing.

Key factors: In request to start the tactic of fixing the booting association, you desire a substantial Home windows Set up media to your working framework. Assuming you do not have good to go, you can also make one by following the means illustrated in these articles:

Be aware: If you do not have the institution media and don’t have any technique for buying it, you possibly can likewise compel the Startup recuperation menu to indicate up by driving 3 sequential startup interferences (switching off the PC throughout the booting succession).

☑️Whenever you’re all set, this is a speedy aide on operating the Bootrec.exe utility:

☑️Begin by embedding the institution media earlier than the booting association begin. Then, at that time, press any crucial when incited in addition from it. Whenever you present up on the underlying Home windows institution window, click on on Restore your pc -base proper or left nook, contingent upon your Home windows model.Select Restore your PC

☑️You will be taken straightforwardly to the Superior Choices menu. Whenever you arrive, click on on Troubleshoot, then, at that time, choose Command Immediate from the rundown of accessible gadgets.Selecting Command Immediate from Superior Choices

 ☑️When the Command Immediate window is opened, kind the accompanying order inside and press Enter after every order to revamp the entire Boot Configuration knowledge:-

✔️bootrec.exe 

✔️bootrec.exe/fixmbr

 ✔️bootrec.exe/fixboot

 ✔️bootrec.exe/scanos

 ✔️bootrec.exe/rebuildbcd

☑️When all orders have been successfully completed, all of your boot design info must be mounted. Take a look at to verify whether or not you found out the right way to decide the problem by restarting your PC and seeing the booting grouping is completed.

☑️Assuming you really expertise one thing very related “blinitialize library fizzled 0xc00000bb” blunder, drop right down to the next technique beneath.

Answer:03: Tweaking Reminiscence Administration keys in Protected Mode

☑️By the way, this particular situation can likewise occur in circumstances the place your BIOS winds up failing to recollect which SSD/HDD is the important drive. This case was discovered by sure shoppers that checked the boot request at no matter level this situation was taking place simply to search out that the Home windows drive is as of not the first bootable drive.

☑️Within the occasion that this case is related, you must have the choice to find out the problem by sending a library change to maintain your PC from clearing the Web page File at every closure. This method has been affirmed to be fruitful on the 2 Home windows 7 and Home windows 8.

☑️Be that as it might, to get equally as to have the choice to contain the Registry Editor to find out the problem, you actually wish to boot your PC up in Protected Mode. Here’s a speedy aide on booting your PC up in Protected mode and making the reminiscence the board change:

☑️Energy your PC on and start squeezing the F8 key over and once more once you see the underlying display to open up the Superior Boot Choices.

☑️Whenever you’re contained in the Superior Boot Choices menu, make the most of the bolt keys or press the relating key (F4) to pick out Protected Mode.Press 4 or F4 in addition into Protected Mode

☑️Delay till the booting succession is completed. When the startup system is completed, press Home windows key + R to open up a Run dialog field. Then, kind “regedit” contained in the textual content field and press Enter to open up Registry Editor.Working the Registry Editor

Be aware: In the event you’re incited by the UAC (Consumer Account Management), click on Sure to award managerial honors.

☑️Whenever you’re inside Registry supervisor, make the most of the left-hand facet to discover to the accompanying space or glue it straightforwardly within the route bar and press Enter:ComputerHKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory Administration

☑️On the level once you present up on the proper space, drop right down to the right-hand sheet and double faucet on ClearPageFileATShudown. Contained in the Edit DWORD (32-bit) worth window of ClearPageFileAtShutdown, set the Base to Hexadecimal and the Worth knowledge to 1 and click on Okay to save lots of the adjustments.Setting the value info of ClearPageFileAtShutdown to 1

☑️When this transformation has been made, restart your PC and verify whether or not the unusual startup association is efficient on the following endeavour. 

☑️Assuming this system did not repair the blinitialize library fizzled 0xc00000bb” mistake or this technique wasn’t materials to your particular scenario, drop right down to the next approach beneath.

Answer:04: Enabling Above 4G Decoding

On the off likelihood that you simply’re using your PC rig for mining functions and are using not less than 2 GPU playing cards, odds are you expertise the ‘bl instate library bombed 0xc0000bb’ mistake in gentle of the truth that 4G unraveling is not empowered in your motherboard BIOS or UEFI settings.

A number of impacted shoppers who have been moreover mining cryptographic types of cash have revealed that the problem was settled after they enabled 4G decoding or Above 4G Decoding. Clearly, the precise space of this selection is exceptionally dependable in your motherboard producer, nevertheless generally you possibly can suppose that it’s contained in the Peripherals tab.

            Empowering 4G recording

NOTE: On EVGA motherboards, this component is named EVGA Help somewhat than 4G assist.

Assuming this system wasn’t materials to your particular scenario, drop right down to the next technique beneath.

Answer:05: Performing a upkeep introduce

☑️As a couple of impacted shoppers have revealed, this situation can likewise occur due to a weak HDD or SSD drive. Assuming not one of the strategies above have assisted you with settling the problem, all issues thought-about, you are actually managing a capability situation.

☑️Since you possibly can’t really boot to make the essential confirmations to affirm that you simply’re actually managing a weak drive, one of the simplest ways to do it’s to carry out a restore introduce. This system will supplant any Home windows half, disposing of the prospect of a framework doc debasement. Assuming you are really experiencing this situation even subsequent to guaranteeing that your Home windows paperwork aren’t undermined, you possibly can securely affirm that your SSD is falling flat.

☑️What’s extra keep in mind that this system will not trigger you to lose any personal info (media, purposes, video games and particular person paperwork) as a clear introduce would. A upkeep introduce will simply revive the Home windows elements and that is it.