Eliminate Windows Error 0x80070643 With These Advanced Troubleshooting Methods

Certain Windows updates cover several improvements in Windows features but at the same time, users face multiple issues at the time of the installation process. 

Error 0x80070643 is one of those frequent occurring bugs that is encountered by several users.

This particular error indicates that there is a fatal failure in the recently installed update version. The error 0x80070643 pop-ups on the screen whenever you are going to install the update.

There are many reasons that cause this error code in your Windows 10 device. In case, if the system files or the registry files get corrupted, then there is a chance of getting the same issue in your device.

Apart from that, virus or malware infection, corrupted .NET Framework, damaged Microsoft Office Source Engine (Ose.exe) can lead to this error code as well. Moreover, when the Windows Update fails to locate the user data, then also you can encounter the same problem.

Unfortunately, if you are also suffering from the same issue and searching for the solutions, then you have just arrived at the right place. Here, in this guide, we are going to describe some amazing methods that can be helpful for you.

Easy and Proven Methods to Mitigate the Install Error – 0x80070643:

The solutions for this Windows error vary from user to user as there are several circumstances when this error can occur. So remember that all the below-mentioned solutions are applicable to you. 

Hence, you need to be sure that before applying the methods.

Solution 1: Rename the SoftwareDistribution Folder

Error 0x80070643 will restrict you from installing the latest update. Due to improper .NET Framework installation or damage of MSI software update registration, your system may become corrupted.

 For getting rid of the issue, you need to rename the SoftwareDistribution folder. To rename the folder, first launch an elevated Command prompt windows and click on it. 

Now, type the commands one after the other and also tap on the Enter key as well:

net stop wuauserv

net stop bits

rename c:\windows\SoftwareDistribution SoftwareDistribution.bak

net start wuauserv

net start bits

After that, you have to restart your device and check whether you are still getting the same issue or not.

Solution 2: Remove Catroot2 Folder

The catroot2 folder is the important Windows folder that is needed for the Windows update process. Hence, if you are encountering the error 0x80070643, then resetting the Catroot2 folder can solve the error code.

The very first thing you need to do is to launch an elevated Command Prompt and then click on it. 

Now, type the commands that are given below one after the other and press the Enter key.

net stop cryptsvc

md %systemroot%\system32\catroot2.old

xcopy %systemroot%\system32\catroot2 %systemroot%\system32\catroot2.old /s

After that, clear out all the contents of the Catroot2 folder. Now, for once more time, you have to put some extra commands.

net start cryptsvc

Now, hit on the Enter button and keep waiting while the resetting process is going on.

Solution 3: Run Windows Update Troubleshooter

Windows update troubleshooter is one of the most effective tools that help the users to fix any sort of update error. 

Thus, you can use it for solving the Windows update error 0x80070643. Therefore, follow the steps exactly the same as given below.

  • The first and foremost thing you need to do is to tap on the Windows logo key on your keyboard.
  •  Then navigate to it and type troubleshoot. 
  • After that, tap on the Troubleshoot icon and choose Windows Update by clicking on it.
  • Now, run the troubleshooter and go through the instructions that are showing on the screen.
  • At last, restart your device and check if you are still encountering this error code or it gets resolved.

Solution 4: Restart Office Source Engine Service

We have already said that due to the wrong Ose.exe file in your device, it fails to complete the installation process as well. 

So, go through the methods carefully and get rid of the Windows update error 0x80070643 instantly.

First of all, you need to press down the  Windows and the R keys for launching the Run box. After that, click on it and type “services.msc” in the box and also tap on the Enter button.

Then, look for and double-click on the Office Source Engine option from the list.

Here, you need to change the Startup type and check the status as well. If the startup type is disabled, then change it to manual. 

Just double-tap on it and set startup type as Manual. Then, tap on OK and strive to install the update once again.

Solution 5: Execute the SFC Scan

System File Checker is another feature in Windows that helps to scan your system files and as well as repair the missing or corrupted system files. So, follow the stated below steps to do so.

  • At first, press down the Windows logo key on your keyboard and navigate to the search box. Then, then type cmd in it. 
  • Next, you need to right-click on the Command Prompt option and then tap on Run as Administrator.

If you are asked to confirm any process, then click on Yes. Here, in this tab, write sfc /scannow and hit the Enter key. This entire method might take a few minutes, thus it is recommended to be patient in such cases.

At the final step, reboot your PC and review if the error 0x80070643 is still appearing or not.

Solution 6: Fix the Registry Problem

The registry is one of the main archives of your PC. It helps in storing all the data that are kept on your computer.

Hence, a single wrong entry in the Registry can be harmful to your device and responsible for showing the install error – 0x80070643

Here, you can find some methods that will help you to fix the issue and you can edit the Registry as well.

At first, you need to tap on the Start button and select the Run icon. After that, you can see that the Registry Editor will launch on the screen. Now, click on the following key:

HKEY_LOCAL_MACHINE\System\Current\ControlSet\Control\Session Manager\SubSystems.

Select the Edit icon. You can find this Edit option on the Toolbar.  Next, find and type the value that is stated above. Just right-click on the Windows entry that is appearing on the display of your device.

Here you have to choose the Modify icon and hit on it. At the last step, reboot your device and check if the same error code is still showing up or not.

We hope that we have stated enough solutions that can be fruitful for you. But we also recommend you to check the internet connection properly.

If you are connected with an unstable connection, then look for a strong connection and try to update the latest version as well.

But if you are still encountering the same after following the mentioned solutions, then seek experts help and fix the issue at the earliest possible.