Windows 10: Sihost.exe System Error, Unknown Hard Error

Discus and support Sihost.exe System Error, Unknown Hard Error in Windows 10 Customization to solve the problem; Recently my computer been restarting to the lock screen whenever I leave it alone and then the sihost.exe- system warning unknown hard error occurs.... Discussion in 'Windows 10 Customization' started by DanielLin1, Jul 7, 2018.

  1. DANIELLIN1
    DanielLin1 Win User

    Sihost.exe System Error, Unknown Hard Error


    Recently my computer been restarting to the lock screen whenever I leave it alone and then the sihost.exe- system warning unknown hard error occurs.

    When I clicked ok or exit the popup thing the screen will turn into the black (or whatever your taskbar color is) I am not able to click on start button and the window start won't open, the taskbar's search doesn't do anything when I clicked on it. I'm able to open up apps pin to the taskbar though.

    Things I have tried:

    Window + x, doesn't work it won't show up

    Window + r misconfig , i think it's like a clean boot didn't work.

    I cant open up administration cmd since I cant access search bar

    By the way, I have avast virus cleaner thing but I deleted them

    :)
     
    DanielLin1, Jul 7, 2018
    #1
  2. MARTINELEY
    martineley Win User

    windows 10 sihost unknown error

    Is there a fix for the April windows 10 sihost "unknown error"?

    Thanks
     
    martineley, Jul 7, 2018
    #2
  3. BLUENOTE38
    Bluenote38 Win User
    sihost unknown hard error

    running Win 10 on a Toshiba. Third party Antivirus which has been running for two years without error. very few "Apps" Office 2013 running. not running outlook..

    computer booths and login screen shows. login normal mode, background pops up for a few seconds then the screen goes dark. mouse pointer is on screen and can reach the Task Manager but nothing else.

    similar in safe mode except that the screen fully loads then a sihost unknown hard error pops up. when i click "OK" the

    screen goes blank.

    I have tried to do a system restor and ipt atopped early in the cycle.

    Any ideas or directions?

    ***Post moved by the moderator to the appropriate forum category.***
     
    Bluenote38, Jul 7, 2018
    #3
  4. GREGZARA
    GregZara Win User

    Sihost.exe System Error, Unknown Hard Error

    sihost.exe unknown hard error

    My PC recently updated and I have an empty deskstop. Believe it's due to sihost.exe unknown hard error. I tried to do the 5 fix at Fix: sihost.exe Unknown Hard Error after Windows 10 April 2018 Update 1803 | Driver Talent

    I have done "Perform a Clean Boot on Your Windows 10" but it did not work.

    I could not Run SFC/Scannow Command and Run CHKDSK Command Press Windows + X is not working.

    Likewise my start menu is not working.

    Please help
     
    GregZara, Jul 7, 2018
    #4
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Sihost.exe System Error, Unknown Hard Error

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