How to Troubleshoot Error 0x800736b3 in Windows Computer

  • Microsoft has acknowledged a severe issue affecting Windows 10 and Windows Server 2016 systems.
  • A recent update has caused some computers to crash due to a bug that prevents the operating system from booting up properly.
  • The error code 0x800736b3 appears to be related to a problem with the “System Configuration Service” This service is responsible for managing hardware components such as hard drives, memory cards, and network adapters.
Updated December 2023This tool will stop these errors and fix common problems: Get it at this link
  1. Download and install the software.
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  3. The tool will then correct the issues that were discovered.

A serious problem affecting Windows 10 and Windows Server 2016 has been acknowledged by Microsoft. In a recent update, a bug prevented some computers from booting up correctly, causing them to crash. A list of troubleshooting tips is available to help you fix your PC issues if you are experiencing issues.


A fair share of all the PC games out there that are compatible with Windows 10 requires users to have .NET Framework 3.5 installed on their computers in order for the games to even start up. Installing .NET Framework 3.5 on a computer running on Windows 10 is pretty simple – all you need to do is download the installer for .NET Framework 3.5 from here and then actually install it on your computer.

As soon as I try to install a Windows update on my computer, 0x800736b3 appears and the update fails; I try to fix it in Windows 10 Customization, but it always displays 0x800736b3…
Discussion in ‘Windows 10 Customization’ started by Joseph David1, May 19, 2021.

It appears that error code 0x800736b3 is caused by a problem with the System Configuration Service, which manages hardware components like hard drives, RAM, and network interface cards.

Despite timely technical assistance bringing significant improvements to Windows Update, users continue to experience numerous problems. An erroneous code 0x800736B3 indicates one of these numerous issues. It mostly impacts the .NET Framework and prevents you from installing certain cumulative upgrades. Therefore, we’ve got some solutions you can try if you face this specific problem.

It appears that .NET Framework 3.5 is not working in Windows 10. When installing .NET 3.5 using DISM, it returns the error 14003, as well as the error 0x800736b3 for Microsoft-Windows-NetFx3-OnDemand-Package. Here’s what you need to do to fix it. This error code corresponds to the message ERROR_SXS_ASSEMBLY_NOT_FOUND, and is related to Windows 10’s corrupted Component Store.

Why does .net framework error 0x800736b3 occur?

The Referenced Assembly Is Not Installed On Your System

The .NET Framework 3.5 installation on a Windows 10 computer can go wrong for a number of reasons, one of which is error 0x800736B3. The error message associated with this error looks as follows:

Installing.NET Framework 3.5 on Windows 10 is causing many problems. When using DISM to install.NET 3.5, error 14003 and error 0x800736b3 are generated. Windows 10’s Component Store is corrupted in error code 0x800736b3, which is also referred to as ERROR SXS ASSEMBLY NOT FOUND. Here are some steps to prevent it.

There are a couple of common causes of this error code, including Windows 10 updates and patches. Let’s look at a few of the most common causes.

Problems with the network.

On Windows 10 how to fix error 0x800736B3 with the .NET Framework?

First, check if you’re having intermittent connectivity. Ensure that your device is connected to a strong enough signal if you’re using a wireless router. Double check your physical connections, including power cables and wall plugs, if you’re using a wired Ethernet cable to access the Internet.

After upgrading to Windows 10, I got an error telling me that I didn’t have .NET Framework 3.5 installed, so I couldn’t run a game for a week. I tried installing .NET Framework 3.5, but I get the error message: Reference assembly not installed in the system, error 0x800736B3. I have no clue what to do. Would you mind helping me? Thanks in advance.

There are missing components of the software.

System files that are corrupted or missing are another potential cause. Your computer hardware requires drivers, which can be downloaded from the manufacturer’s website. Do not run multiple instances of the same program at the same time.

Software conflicts.

In the same way as other errors in Windows, error code 0x80004005 can occur at any time, but you can fix it in several ways, as described in this tutorial. In this tutorial, you will learn how to resolve the error code 0x80004005 for a variety of reasons.

Alternatively, you might have conflicting software installed. If you are installing a game, for instance, be sure to install it alongside another version of the same application. Or you may be using a different version of Microsoft Office. Be sure not to open Word 2013 and 2016 at the same time.

How to repair error 0x800736b3?

You can run a troubleshooter for updates

It has just been announced that Microsoft has released a new tool called “Update Troubleshooter” that allows you to scan your computer for problems with Windows Updates and provide solutions.

Windows Updates can cause many problems, such as missing or corrupted files, outdated drivers, and third-party software conflicts, that can be fixed by the update troubleshooter. Clicking Fix now runs the recommended fixes and you will see a list of potential problems.

By typing “Troubleshooting Information” in the command prompt, and pressing Enter, you’ll see what you’d see by running the update troubleshooter.

Updated: December 2023

We highly recommend that you use this tool for your error. Furthermore, this tool detects and removes common computer errors, protects you from loss of files, malware, and hardware failures, and optimizes your device for maximum performance. This software will help you fix your PC problems and prevent others from happening again:

  • Step 1 : Install PC Repair & Optimizer Tool (Windows 10, 8, 7, XP, Vista).
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Launch the SFC scanner

Lastly, you can try using the SFC tool, which checks your system for possible issues and corrects them if they exist. Follow these steps to run it:

Press the Enter key after typing sfc /scannow in the Command Prompt (Admin).

Observe the progress of the process.

In the event that your PC requires restarting, click OK.

Configure DNS settings

Changing the DNS server address is often thought to be the solution to the problem, but this is not the case. There is another method that works.

Here are the details:

Go to the Control Panel and open it.

In the Network & Internet section, click the button.

Choosing View network connections will open the View network connections menu.

Select Properties from the right-click menu when you are connected.

To access advanced settings, scroll down.

You will need to change the DNS servers from to under IPv4 properties.

Reboot after saving changes.

Completely reinstall .NET Framework 3.5

It is possible to install Windows 8.1 without missing the.NET Framework 3.5. Reinstalling.NET Framework 3.5 completely is an alternative. Follow these steps first:

The first step is to click on the Start button and type “Regedit.” Press Enter when you are finished.

Your computer should start working perfectly after the process has been completed without any errors related to Windows Update.

1. Open HKEY_LOCAL_MACHINE/SOFTWARE and look for M$/WindowsNT\CurrentVersion\SoftwareProtectionPlatform.

The third step is to name it DisableWin8UpgradeCheck and set the value data to 1.

The fourth step consists of closing the Registry Editor and restarting your computer.

Afterwards, type “netsh int IP reset resetlog.txt” at the command prompt as an administrator and wait until the logs are fully written.

Then open the Registry again and delete the DisableWin8UpgradeCheck value.

Use the DISM tool

The Run dialog box will appear when you press Windows key + R.

Click the OK button after typing the command prompt.

You will need to type the following command: DISM.exe /Online/Cleanup-Image/RestoreHealth/Source:C:/RepairSource/Windows/LimitAccess DISM.exe /Online/Cleanup-Image/RestoreHealth/Source:C:/RepairSource/Windows/LimitAccess

You will see a list of images being restored when you type the location where you saved the image file. After the program has finished restoring the images, press Ctrl + X to exit.

Ensure that the Windows Update service is running

It is essential that Windows Update works properly for you to be able to receive updates in Windows 10. But what do you do if the service doesn’t work?

If it says Disabled, you know why Windows Update isn’t working. Verify that the service hasn’t been stopped under the Startup Type column.

Right-click the Windows Updates service, choose Properties, and set the Startup type to Automatic. Once you’ve enabled Windows Update, you won’t have any problems. Click the Start button, enter Services.MSC, and select the Windows Updates service.

Check your system settings and update options to make sure everything is working properly. If everything is working fine, try updating again.

RECOMMENATION: Click here for help with Windows errors.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog,, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.