When you run DISM ScanHealth or RestoreHealth to repair the component store, error 3017 may occur. The entire error message verbatim is given below:Read more
windows recovery environment
How to Extend the Windows RE Partition Using PowerShell
KB5034441 is a WinRE security update that patches the Winre.wim image. The Recovery partition needs 250 MB of free space for the KB5034441 update to install correctly.
Almost every Windows 10 user has been affected by the KB5034441 error 0x80070643. You can extend the Recovery partition using the diskpart command-line. However, end-users might find that command-line procedure complicated.
So, here’s a PowerShell script from Microsoft that automatically extends the Recovery partition by 250 MB.Read more
How to Backup your WinRE Image (Winre.wim)
The Windows Recovery Environment is powered by the Winre.wim image, usually located in the Recovery partition or, in some cases, in the OS partition itself.
You may have to back up your Winre.wim image in some situations, e.g., before or after servicing Winre.wim, or when you want to resize the Recovery partition.Read more
How to Reset Windows 10 or 11 via Windows RE
There are situations where Windows doesn’t boot or the “Reset this PC” option in Update & Security (Settings) does not work. In such cases, you can reset Windows 10 or 11 via the Windows Recovery Environment (“Windows RE” or “WinRE”). This article tells you how to reset the PC via WinRE. Resetting through the Windows … Read more
Error “Access is Denied” when running “Bootrec /Fixboot”
When you run the “bootrec /fixboot” command from Windows RE, the error “Access is denied” occurs: Bootrec /FixMbr — writes the master boot record of the system partition using the master boot record compatible with Windows. This operation does not overwrite the existing partition table. Bootrec /FixBoot — write a new boot sector onto the … Read more
KB5034441 Update error 0x80070643
On many Windows 10 systems, the update KB5034441 (Windows Recovery Environment update for Windows 10 21H2 and 22H2) failed with the error code 0x80070643. 0x80070643 (“ERROR_INSTALL_FAILURE”) is a generic error code which means “Fatal error during installation.” The DISM log may show the following entries: [16088] ImageUnmarshallHandle: Reconstituting wim at C:\$WinREAgent\Scratch\update.wim. [15624] Received unmount request … Read more
[Fix] The boot configuration data store could not be opened
When you run bcdedit to view the settings in the boot configuration database (BCD), the following error may occur:
The boot configuration data store could not be opened. The volume for a file has been externally altered so that the opened file is no longer valid.
How to access Windows Recovery Environment (WinRE)
Windows Recovery Environment (WinRE) is a recovery environment based on Windows PE that contains troubleshooting and diagnostic tools to repair an unbootable operating system. By default, WinRE is preinstalled into Windows 10 and Windows 11.Read more
How to Rebuild the EFI Boot Partition, BCD and Boot Files
The EFI boot partition is a FAT32 partition that stores the boot files and the boot configuration data (BCD) to load Windows. Sometimes, the boot partition or the BCD may get corrupted, and the boot files remain unserviceable by the Windows Setup process. In that case, rebuilding the EFI partition and recreating the BCD & boot files should resolve the issue.Read more
AvgVmm.sys Error 0xc000007b During Boot
When you start your computer, the error 0xc000007b occurs, mentioning the name of the AVG driver. Here is the full error message verbatim:Read more