Windows 10 update error 0x800736b3 [Fix]

3 minute read

Windows Update feature is the essential part of the Windows 10 surrounding. In addition to regular updates, Windows 10 users can expect a lot from the major updates that are scheduled for release twice per year.

Nonetheless, even though the timely support has brought a lot of improvements, users still a multitude of issues with Windows Update and its features. One of those numerous issues is followed by the error code 0x800736b3. This specific error prevents downloading certain cumulative updates and mainly affects dotNet Framework. So, if you have an issue with this error code, we prepared a few workarounds worth checking out.

How to resolve update error 0x800736b3 in Windows 10

Download offline dotNet Framework installer

On some occasions, the mentioned error can be related to the dotNet Framework failed installation. Besides updates, the lack of DotNet Framework can cause a lot of troubles with the all-around system behavior. So, your first step is to try and download the offline installer of the latest version.

  1. Find the corresponding version here.
  2. Download and save file.
  3. Start the file and confirm.
  4. The process may be a bit long.

Once the process is installed, check out the applications that utilize dotNet and see is the process functioning.

Use DISM and system installation drive

Deployment Image Servicing and Management (DISM) is a built-in Windows tool which main function is to scan and repair corrupted files. In order to repair this specific error, you’ll need to obtain USB/DVD with Windows 10 setup. Some users tried with the standard update trough DISM, but the SXS file was missing. That is why you’ll need the setup media or ISO. Follow these instructions to resolve this issue:

    1. Insert USB or DVD with Windows 10 installation (the same architecture as your current version).
    2. Right-click Start and run Command Prompt (Admin).
    3. In the command line, type the following command:
      • Dism /online /enable-feature /featurename:NetFx3 /Source:X:\sources\sxs /all /LimitAccess
    4. Replace the X with the drive letter of the destination media setup.
    5. The process will take the needed file and your issue should be resolved.

Check your hardware

While software is the probable culprit for this issue, you should check out your RAM and HDD, also. There is a large variety of third-party tools you can use to check on HDD life and boot sector errors. Furthermore, you can use the similar tools to check the RAM health.

Reinstall Windows 10 from scratch

In case your system shows signs of performance drop and the previous steps proved inadequate, you should reinstall the system from the scratch. You can use Media Creation Tool and create bootable USB or DVD drive setup. However, make sure you backed up files from the system partition and license key. The process is not lengthy as it looks and you don’t need any advanced knowledge to perform the reinstall.

Those were our solutions for this issue. In case you are having any thoughts or questions, please be free to share them with us in the comments.


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