Windows 10: KB4565503 installed then WSL 2 failed to start: "access denied"

Discus and support KB4565503 installed then WSL 2 failed to start: "access denied" in Windows 10 Installation and Upgrade to solve the problem; FYI, I installed KB4565503 onto a Windows 10 Pro system running in a Hyper-V VM. After I installed it WSL 2 failed to start, saying "access denied".... Discussion in 'Windows 10 Installation and Upgrade' started by DavidBakin, Jul 14, 2020.

  1. KB4565503 installed then WSL 2 failed to start: "access denied"


    FYI, I installed KB4565503 onto a Windows 10 Pro system running in a Hyper-V VM. After I installed it WSL 2 failed to start, saying "access denied". I uninstalled KB4565503 via "uninstall an update" and now WSL 2 starts fine. KB4566785 was installed at the same time - it is still installed.


    I didn't keep good record of what I did today. If you can think of logs or other reports that might still be around on my machine that I could upload if you're interested let me know.

    :)
     
    DavidBakin, Jul 14, 2020
    #1

  2. MCHBAR read access failed

    Hi everyone,


    Trying to install TechPowerUp GPU-Z v0.3.8 but i keep getting...MCHBAR read access failed, any suggestions???
     
    dondre1992, Jul 14, 2020
    #2
  3. Resolving WslRegisterDistribution error 0x80370102 when installing Linux Distro for WSL 2?

    # Encountering WslRegisterDistribution error 0x80370102 when installing Linux Distro for WSL 2

    I am currently on the `Windows 10 Pro Insider Preview build 18922.rs_prerelease`, and am trying to install a Linux distribution to access via Windows Subsystem for Linux (2). I have tried this for both the Ubuntu and Debian distros and have encountered the
    same error in each.

    I have successfully downloaded both distros from the Microsoft store, but when I try to first "run" the Ubuntu or Debian "app" the respective console comes up and prints the following text:

    Code:
    Installing, this may take a few minutes...
    
    WslRegisterDistribution failed with error: 0x80370102
    
    Error: 0x80370102 The virtual machine could not be started because a required feature is not installed.
    
    Press any key to continue...
    Pressing a key at this point automatically exits the console.
    ---

    ## Additional information:

    - Using the `wsl -l` command shows no installed distros.

    - I do have Hypervisor installed and running `bcdedit` does show that `hypervisorlaunchtype` is set to `Auto` in the `Windows Boot Loader` section.

    - I did previously have Ubuntu installed and working under WSL 1 before switching to the Windows Insider Program Fast Ring and gaining access to WSL 2, but I was encountering another issue when trying to have it use WSL 2. After
    trying to use the command `wsl --set-version Ubuntu 2` I was met with a request to "Enable the Virtual Machine Platform". I had already run `Enable-WindowsOptionalFeature -Online -FeatureName VirtualMachinePlatform` prior, according to the official microsoft
    tutorial here Install Windows Subsystem for Linux (WSL) on Windows 10, but for good measure I did it again and got the same error, and Ubuntu was still on version 1 (I haven't explicitly mentioned it but I was restarting/shutting down when requested/suggested
    by windows and tutorials, so I don't believe me not restarting is a cause). In hopes to find a workaround, I ended up uninstalling Ubuntu and hoping I could reinstall it and have it obey the default defined by the `wsl --set-default-version 2` command (suffice
    it to say, this did not go as I'd hoped).

    - This might be an unrelated issue, but when I initially attempted reinstalling Ubuntu, the Microsoft store had a bit of a fit and could not complete the download- encountering an 'unknown error'. I did a restart, tried again, and
    got the same error, but then after telling it to 'try again' it succeeded. I had no such issues installing Debian from the store.

    ---

    ## Suggestions Welcome

    I've searched for a bit and can't find mention of this error code in particular anywhere else.

    In addition, is there anywhere I can look up/access these error codes in any sort of documentation? Ideally so I can make a better informed work-around attempt before bothering you all on here.

    All help is appreciated!
     
    SamuelLudwig, Jul 14, 2020
    #3
  4. KB4565503 installed then WSL 2 failed to start: "access denied"

    failed to enumerate objects in container, access is denied

    I've gone through the steps that are supposed to allow me to delete a folder but when I get to this step:

    KB4565503 installed then WSL 2 failed to start: "access denied" [​IMG]

    The box at the top does not appear on my screen just the one at the bottom. Clicking the bottom box and continuing does not give me the permission I need to delete the folder. What else can I try? Thanks.
     
    larrydonline, Jul 14, 2020
    #4
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KB4565503 installed then WSL 2 failed to start: "access denied"

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