How to fix error 0x8e5e03fb on Windows 7, 8.1, 10

Notification – “ERROR 0x8e5e03fb” pops up when the user tries to update Windows and some related applications (Feature on Demand for X86, operating system security, windows defender, and others). The above problem is a consequence of damage to the file system or Windows update services. In this publication, you will get acquainted with a detailed description of the solution to this problem, which helped many users to fix the OS.


Important: if you are a Windows 8.1 user, download utility

provided by the developers, and only then proceed to the step-by-step instructions. It is the most efficient and safest way to troubleshoot PC crashes and errors.

Before moving on:

  • Make sure the date and time settings are up to date.
  • Temporarily disable installed security software.
  • Install all the updates suggested by the system (if any).
  • Download

     and run a special utility from Microsoft.

Below are the fixes and fixes that helped fix the error – error 0x8e5e03fb, useful to all users without exception.

SFC scan

It is recommended to perform an SFC scan. It detects and repairs corrupted system files and fixes file system failures.

  • We start the SFC scan.
  • Click “Start”, type in the search – “cmd”
  • RMB on the command handler -> select “Run as administrator”.
  • After “… system32>” enter “sfc / scannow”.
  • Hit Enter.

DISM RestoreHealth

Didn’t the SFC scan help you fix the problem? Then, to fix Windows update errors, run DISM RestoreHealth:

  • Click Start and type “cmd” in the search box.
  • RMB on the command handler -> select “Run as administrator”.
  • Write: “Dism / Online / Cleanup-Image / RestoreHealth”.
  • Hit Enter.
  • Once the scan is complete, the source of the error should be corrected.

We include .NET Framework 3.5.

  • Open “Start” -> “Control Panel” -> “Programs”.
  • Now select “Programs and Features” -> “Enable or Disable Windows Features”.
  • Check the boxes in front of .NET framework 3.5 and click OK.
  • Go to link

     and download a small package that will self-configure and download the required components.

  • Then restart your computer.

Performing system recovery

  • Go to the start menu.
  • In the search we write – “Recovery”.
  • We see “Return the computer to its original state.” Click the Get Started button.
  • On the blue screen, select the “Save my files” option.

If the problem persists, contact 

Microsoft support

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