Windows Update Error 0x80070643 | Fix

Fixing the Windows Update error 0x80070643 with invalid methods:

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According to the latest news, Windows 10 KB4023057 has been re-released, and it seems that this update is causing some unexpected issues on certain devices. We've received a couple of independent reports on Twitter and Reddit indicating that Windows 10 KB4023057 fails to install. According to one discussion on Reddit, the patch installation fails and throws the error 0x80070643 after downloading KB4023057.

Another states that the Windows 10 KB4023057 update “keeps your device up to date” if you're running the April 2018 Update or earlier, and will also “improve the reliability of Windows Update.” Depending on your circumstances, it can make significant changes to your system settings and configuration.

It will reset your network and free up enough space to accommodate all the updates. Here's how you can fix the Windows 10 Version 0x80070643 error.

8 Ways to Fix Windows 10 Update Error 0x80070643

There are several effective methods that may be used to solve Windows 10 upgrade issues on x64 devices. Please pay close attention to the methods and steps listed below.

Fix 1: Retry installing Windows update KB4023057

Therefore, reinstalling update KB4023057 might be necessary to resolve the error 0x80070643. You can uninstall and reinstall the 2018-11 update for issues with devices running Windows 10, version 1803 x64 when updating Windows 10.

Uninstall the KB4023057 update

Step 1: To access the "Settings" menu, click the "Start" button.

Step 2: Next, you must check the “Apps” section.

Step 3: Remove it by searching for and uninstalling the KB4023057 update.

Now, try running Windows Update again by following these steps:

Try installing the KB4023057 update again

Step 1: Click the "Start" button, and then choose "Settings."

Step 2: Select "Update & Security."

Step 3: After you remove the KB4023057 update, try to install the update again.

If your issue persists, try the following.

Fix 2: Disable antivirus temporarily

Your antivirus software might interfere with applications on your computer or Windows updates, causing the 0x80070643 error. You can temporarily uninstall your antivirus to see if that resolves the issue.

Then check if Windows Update can now successfully update your system with all suspicious antivirus features disabled.

Step 1: From the Windows Start menu, choose Start.

Step 2. You should now see the "Windows Security" option. Press Enter on your keyboard to proceed.

Windows Security Center

Step 3: Choose Virus and threat protection from the drop-down menu on the left-hand pane.

Step 4: To manage virus and threat protection settings, go to Virus & threat protection settings, and select Manage settings.

Step 5. To temporarily disable Windows Defender Security Center, toggle the switch under Real-time protection from the drop-down menu.

<Step 6> If prompted, confirm the changes. Check if the problem with the Acronis program is resolved.

Step 7. To turn Windows Defender Security Center back on, click the toggle switch again.

If you did not manually enable Real-time Protection, it will turn on automatically the next time you restart your computer.

Fix 3: Run SFC to Repair Corrupted System Files

In order to fix all corrupted files on your PC, the SFC scan command must first scan all system protected files in your Windows system and be able to resolve error 0x80070643.

To run the SFC scan command on your computer, follow these steps.

Step 1: Press the Windows key + X to open the Command Prompt (CMD).

Step 2: Scan your computer by typing sfc/scannow and pressing the Enter key.

Step 3: Wait for the process to complete. Your computer should now be free of corrupt files.

Fix 4: Run the DISM command

The Dism.exe command-line tool supports Windows images.

Step 1. You can find it by typing “CMD” in the search box on the taskbar.

Step 2. Run the command prompt as an administrator to start the program.

Step 3: Type the following command to finish the task: <b>dism.exe /cleanup-picture /restorehealth</b>.

Step 4: You tell the computer to do something, and you wait for it to be done.

Fix 5: Repair the corrupted update database using Command Prompt

Sometimes, Windows might apply the same update repeatedly, causing corrupted files to be stored on your computer's hard drive. The instructions below will check a few locations and remove any corrupted files that might have been stored there previously.

We plan to change the software distribution folder, which might cause Windows 10 updates (KB4023057) to fail on x64-based devices.

Step 1: Search for CMD (Command Prompt) and run it as an administrator.

Step 2. Enter each command in the order given.

Stop the Windows Update service ``` net stop wuauserv ``` Stop the Cryptographic Services ``` net stop cryptSvc ``` Stop the Background Intelligent Transfer Service ``` net stop bits ``` Stop the Windows Installer service ``` net stop msiserver ``` Rename the `SoftwareDistribution` folder to `SoftwareDistribution.old` ``` Ren C:\Windows\SoftwareDistribution SoftwareDistribution.old ``` Rename the `catroot2` folder to `Catroot2.old` ``` Ren C:\Windows\System32\catroot2 Catroot2.old ``` Start the Windows Update service ``` net start wuauserv ``` Start the Cryptographic Services ``` net start cryptSvc ``` Start the Background Intelligent Transfer Service ``` net start bits ``` Start the Windows Installer service ``` net start msiserver ```

IMPORTANT: Don't copy and paste all of these commands at once, or you could render yourself unable to use your computer. Please try them one at a time, hitting Enter after each.

Fix 6: Install the latest version of the .NET Framework

Here, we'll show you how to get the repair tool when you encounter an error message with the .Net Framework.

So we're going to run the .NET Framework repair tool, and hopefully that will fix the problem. We've installed the .NET Framework on this Windows 10 machine just in case.

Step 1: The .Net Framework can be obtained from the Microsoft website.

Step 2: Run the .NET Framework Setup Repair tool, accept the license agreement, and install it.

Note that this will collect a lot of logging, which you can scan to see where the problem is occurring; sometimes, this will reveal the root cause.

The download and installation process should allow us to accomplish this, and if that doesn't solve your problem, we can try other solutions.

Fix 7: Run the Windows Update troubleshooter

The Windows Troubleshooter can help you fix the issue. Follow these steps to run it:

Step 1: Search for “Troubleshoot.” Then click “Other troubleshooters.”

Step 2: Click on Windows Update, and then choose Run the troubleshooter.

Note: It will scan for and attempt to fix any errors that might occur during the Windows Update process. Hopefully, this will resolve the issue, but if not, we'll show you some alternative options to investigate and try to fix to solve your problem.

Fix 8: Update Windows Defender signatures

The last fix on our list is to update the Windows Defender signatures. Here's how to do it.

Step 1. Run the Command Prompt as an administrator.

Step 2: This command removes all corrupted signatures from your system.

The translation of this command in English is: "%ProgramFiles%\Windows Defender\MPCMDRUN.exe" -RemoveDefinitions -All This command translates to: "%ProgramFiles%\Windows Defender\MPCMDRUN.exe" - Uninstall all definitions This command is used to execute the MPCMDRUN.exe tool in Windows Defender, with the argument `-RemoveDefinitions -All` instructing the tool to uninstall all virus and threat definition updates.

Step 3: Use this command to download and install the latest Windows Defender signature update.

NOTE. Because we have removed the Windows Defender signatures by running the preceding commands, the installation of the latest signatures will proceed as described in the following command prompt.

The translation of the command in Chinese is: "%ProgramFiles70\Windows Defender\MPCMDRUN.exe" -SignatureUpdate This command means: "%ProgramFiles70\Windows Defender\MPCMDRUN.exe" - Update Signatures This refers to running the command-line tool MPCMDRUN.exe for Windows Defender and executing the function to update the virus definition signatures. %ProgramFiles70% typically represents the path C:\Program Files (x86), which is where 32-bit programs are installed on a 64-bit system.

The translation of "%ProgramFiles%\Windows Defender\MPCMDRUN.exe -SignatureUpdate –MMPC" in Chinese is: "程序文件%\Windows Defender\MPCMDRUN.exe - 更新签名 –MMPC".

How to Recover Data Lost After a Windows Update

If you have lost data due to a Windows error or a problem with your Windows installation, we have a reliable software application that can help you recover deleted data. Our tool, the Data Recovery Wizard, is a unique file recovery program.

Data Recovery Wizard can retrieve data from any deleted or erased storage device. This includes retrieving data from hard disk drives and solid-state drives (SSDs), SD cards, USB flash drives, and other storage devices. Furthermore, it can repair damaged files after recovery, such as fixing corrupted MP4 videos (repairing a corrupted MP4 video) and repairing damaged documents and images.

Step 1. Run the Disk Drill data recovery wizard on your computer. Select the drive with the missing files and click "Scan." If the lost files were on an external storage device, connect it to your computer first.

Step 2: The software will quickly scan the deleted files and then automatically perform a deep scan to find more lost files. Once the scanning is finished, you can use the "Filter" to quickly filter files of a specific type.

Step 3: Click the “Preview” button or double-click a file to view it in full screen. Finally, select the files you need, click “Recover,” and choose another secure location to save all your files at once.

Bottom line

We've pinpointed the best potential fix for the “2018-11 Update for Windows 10 Version 1803 for x64-based Systems (KB4023057) – Error 0x80070643” issue on your Windows PC.

We believe that any of these methods should work for you to download and update Windows. If we failed to address your issue, let us know. However, we have one priority suggestion for you. After fixing the problem, if you want to recover lost files, use the Data Recovery Wizard tool to restore all your missing files.