How to fix Critical error on Windows 10 and/or downgrade to Windows 7/8.X without a recovery disk

This guide will teach you how to fix the “Critical Error – A critical error has occurred in the Shell Infrastructure Host. Start Menu, Cortana, and some apps may not be available. Please save your work and sign-out to recover.” error on windows 10 Developer Preview build 10130, along with how to downgrade to windows 7/8.X if you want a more stable option until this bug is resolved.

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Look here for an updated solution:



net user administrator /active:yes

If you want to disable this account when you’re done:

net user administrator /active:no

If the taskbar doesn’t work on the administrator account try restarting and then continuing.

Also a temporary solution for some users:

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  • Great job, man. Those who think this is too fast–you don't know how to utilize one of these videos properly–play through once or twice, retain what you're watching, then do it.

    Henry Long May 15, 2020 3:22 am Reply
  • Are you really mean to help?

    Justy May 15, 2020 3:22 am Reply
  • Thanks for the info, it worked for me, next time slower would be great, it was hard to follow so fast.

    Mariella Cardinale May 15, 2020 3:22 am Reply
  • Tnks 🙂 but when i made the account its take too long dude

    Acio Lord May 15, 2020 3:22 am Reply
  • Thanks Homie! Subbed liked and will watch future videos! Keep up the good work!

    PaxGaming May 15, 2020 3:22 am Reply
  • I just get a black screen what do I do?

    Another American May 15, 2020 3:22 am Reply
  • This worked.! thank you so much 🙂

    Smrithi Bhushan May 15, 2020 3:22 am Reply
  • Yes IT WORKED!! 👏👏😄😄😄Thank you for saving my life 😊

    Hussein Macud May 15, 2020 3:22 am Reply
  • competition for … who will talk the as fast as me ? Pause helps , but annoying as shit ….

    Renata Ievins May 15, 2020 3:22 am Reply
  • Slow the fuck down, even with the pause button it's just unnecessary

    camelio10 May 15, 2020 3:22 am Reply
  • I just want to downgrade, or make windows 10 bare bone as possible on a hp mini. I dont like all the resources or everything that is running, therefor causing my lappy to be slow as hell when i do anything! ugh its driving me crazy. Any comments?

    Tunni Nicole May 15, 2020 3:22 am Reply
  • Hi – thanks so much for the info. I've decided to downgrade but how do I get to Settings? If I click on "Start" all i get is the critical error warning.

    peggy crough May 15, 2020 3:22 am Reply
  • didn't work

    Lithuanian 21 May 15, 2020 3:22 am Reply
  • thanks

    Harun May 15, 2020 3:22 am Reply
  • If u can help please. My admin account is working without any issue at all. But the issue is with my guest account.

    I activated the guest account by going to computer management. Now when i switched to guest account from my admin account this thing took almost 10 minutes to prepare the windows for guest account. After that instead of showing the desktop screen the message appeared that shell infrastructure host is not working. And in the same tab an option of closing the program appears. But choosing that does nothing just black screen and then again the same message.

    I have a desktop with windows 7 i.e. updated to windows 10.

    Help me if u can as i need guest account to stop all the peaky boos from checking my personal stuff.


    Hrishikesh Shukla May 15, 2020 3:22 am Reply
  • Hi Joe, I'm following your instructions, but am not getting that blue page "how will this person sign in", when I click other users. It just takes me to a list of user names ( mine and a couple other test users). what can I do now?

    Annaka Rae May 15, 2020 3:22 am Reply
  • I applied one other way to try and fix the "critical error" problem which required going into safe mode first, but it didnt work, now I'm still in safe mode, dont know how to get out because it's still in "critical error", meaning the start menu doesnt work and still no internet explorer, grrrr! I wonder if anyone has come across that. It's very frustrating. So do you think you could find a way to fix it? I'll keep watching all other "help" videos in the meantime.

    Glenys Wana May 15, 2020 3:22 am Reply
  • when i enter my password it says signing out and again asks password and again signs me out and again asks me password and again and again plz help

    XgamerZX -never quit gaming May 15, 2020 3:22 am Reply
  • I am not able to downgrade from Windows 10 to Windows 7 because of Other User Account Error, I have not created any other user account but still gets a error to remove other account .
    The account name which it suggests me to remove is the only account on my Dell Laptop, kindly help

    prateek shivhare May 15, 2020 3:22 am Reply
  • i dont have the test acc

    GoldenDiamond May 15, 2020 3:22 am Reply
  • Sir i cant sign in microsoft shows internet connection error while internet is running on browser

    – via YTPak(.com)

    Najeed Malik May 15, 2020 3:22 am Reply
  • For Christs sake ……………………………….SLOW DOWN !!!!!!!!!!!!!!! We're not all geeks you know !

    John Manley May 15, 2020 3:22 am Reply
  • thx i love you

    navdeep24 May 15, 2020 3:22 am Reply
  • so my PC has been updated over and over again and it was originally a windows xp so I was wondering is windows 10 to powerful for it even though it let new upgrade to windows should I keep my PC or by a new one?

    FightingFearow May 15, 2020 3:22 am Reply
  • tinry ko to same problem sa laptop ko, bakit error parin? Please help me.

    Annacel Sumalinog May 15, 2020 3:22 am Reply
  • I already added an administrator to my PC before to fix this but its doing it again

    Gobyi May 15, 2020 3:22 am Reply
  • Hey PPLZ! Why donchya try System Restore?? Worked like charm fo me

    Battle Rage COC May 15, 2020 3:22 am Reply
  • dude I have one problem in my pc whenever I switch it on it will ask me choose an operating system then windows 7 will be highlighted with white color when I press enter it will start to load and on desktop when I press on start menu it will show closes away automatically so I will press start button on my keyboard and then it will be working properly and gain the same problem will Start after few minutes and again press the start button on keyboard pls pls pls pls my frnd find a solution for this pls pls

    Sumukh Ms May 15, 2020 3:22 am Reply
  • This doesn't happen immediately for me it happens when I click on the windows button. Also I always have a command prompt window that always pops up. Also it doesn't happen all the time just most of the time.

    Lynsky71 May 15, 2020 3:22 am Reply
  • my windows 10 is expired a period of a month. So i want to know how to degrade my system back to windows 7.

    Paresh Sannecy May 15, 2020 3:22 am Reply
  • Thanks!

    Tuscani J May 15, 2020 3:22 am Reply
  • finally it worked and i will be back to windows 7

    Albert Liko May 15, 2020 3:22 am Reply
  • When I was trying to downgrade back to the previous version I had it told me to remove any user accounts you added after your most recent upgrade. The accounts need to b completely removed, including their profiles. How do I remove that administrator account in order to downgrade?

    Toilet Punisher May 15, 2020 3:22 am Reply

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