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Copy file name to clipboardExpand all lines: articles/virtual-machines/troubleshooting/troubleshoot-boot-error-status-not-found.md
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@@ -33,27 +33,27 @@ If the file is present but refers to a driver (as is shown) or is OS related or
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In the following image, Windows Boot Manager states "Windows failed to start. A recent hardware or software change might be the cause." The image also shows the Status as "0xc0000225", **File:** as `\windows\System32\drivers\atapi.sys`, and **Info:** as "The operating system couldn’t be loaded because a critical system driver is missing or contains errors."
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### No File
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If presented with the Status code, but no file is shown, follow the steps under the section [Add the OSDEVICE Variable](#add-the-osdevice-variable).
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In the following image, Windows Boot Manager states "Windows failed to start. A recent hardware or software change might be the cause." The image also shows the Status as "0xc0000225", and **Info:** as "The boot selection failed because a required device is inaccessible."
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### Registry File
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If it refers to any of the registry files, such as \windows\system32\config\system, follow the steps under the section [Create a Support Ticket](#contact-support).
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In the following image, Windows Boot Manager states "Windows failed to start. A recent hardware or software change might be the cause." The image also shows the Status as "0xc0000225", the File as `\windows\System32\config\system`, and **Info:** as "The operating system couldn’t be loaded because the system registry file is missing or contains errors."
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In the following image, the recovery screen states "Your PC/Device needs to be repaired. The operating system couldn’t be loaded because the system registry file is missing or contains errors." The image also shows the Error code as "0xc0000225" and the File as `\windows\System32\config\system`.
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## Causes
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1. Right-click the file, select **Properties**, and then select the **Details** tab to see information on the file.
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1. Note the version of the file, as shown in the image below:
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1. Rename the file to **< BINARY.SYS >.old**, replacing **< BINARY.SYS >** with the name of the file.
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For example, if the binary you are looking for is **cmimcext.sys**, the faulty drive is drive **F:**, and you just ran a search for the latest version, you would see the following image, where a query in command prompt of `dir cmim* /s` locates the latest version of the cmimcext.sys file.
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In the example image above, the query was performed on **C:**, whereas the drive letter should be that of the faulty drive, **F:**, which is the OS disk attached as a data disk on the repair VM.
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This image shows Windows Boot Loader in a Generation 1 VM, with the identifier attribute highlighted. The identifier attribute highlighted shows a unique alphanumeric string.
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Note the identifier of the Windows Boot Loader, whose path is **\windows\system32\winload.exe**.
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In the following image, Disk 2 is the disk number attached to the Repair VM. The image also shows the EFI System Partition on Disk 2, which is 100MB in size and doesn’t have an assigned letter.
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1. Open an elevated command prompt as an Administrator and enter the following commands:
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1. Open the **DISKPART TOOL** using the command `diskpart`.
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The following image shows the results of listing and selecting a disk. Disk 0 (127 GB | Online), Disk 1 (32 GB | Online), and Disk 2 (127 GB | Online) are listed, with Disk 2 being selected using the command `sel disk 2`.
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1. List the partitions and select the EFI system partition identified in the previous step:
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The following image shows the results of listing and selecting a partition. Partition 1 (Reserved | 16MB), Partition 2 (System | 100MB), and Partition 3 (Primary | 126 GB) are listed, with Partition 2 being selected using the command `sel part 2`.
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1. Assign a letter to the EFI partition using the command `assign`.
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In the following image, the `assign` command and the new drive **SYSTEM (F:)** are both viewable in File Explorer.
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1. List the BCD store data using the following command:
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`bcdedit /store <LETTER OF EFI SYSTEM PARTITION>:EFI\Microsoft\boot\bcd /enum`
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In the following image, Windows Boot Loader is in a generation 2 VM with the identifier attribute highlighted. The highlighted identifier attribute has a value of **{default}**.
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Note the identifier of the Windows Boot Loader, whose path is **\windows\system32\winload.efi**.
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1. Notice that the OSDEVICE variable on the active partition is missing:
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In this image, Windows Boot Manager and Windows Boot Loader’s attributes are listed in the command prompt, but the OSDEVICE attribute is missing.
Copy file name to clipboardExpand all lines: articles/virtual-machines/troubleshooting/troubleshoot-windows-update-installation-capacity.md
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When you use Boot diagnostics to view the screenshot of the VM, you will see that the screenshot displays Windows Update (KB) in progress, but failing with the error code: **C01A001D**. The following image shows Windows Update (KB) stuck with the message “Error C01A001D applying update operation ##### of ##### (######)”:
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