How to Solve Error Code 0x80070643 on Windows

Error Code 0x80070643 on Windows


The appearance of error code 0x80070643 in Windows is one of the many errors that you may encounter when using Windows OS. This is a common error that can appear on your computer screen during automatic Windows updates, while installing Security Essentials or installing Windows programs.

While Error Code 0x80070643 does not prevent you from using the computer, the fact that your computer cannot install updates on its own (should be a concern). Therefore, you should make every effort to repair and resolve this error 0x80070643.

There are various reasons (causes) why you might encounter error 0x800070643. Some of the main reasons are:

  • Failed to install the latest Windows updates, which made installing the latest updates impossible.
  • System files are corrupted or corrupted.
  • When the Windows Update feature is unable to access some of your data which is required to authenticate the installation.
  • Computer infected with Virus / Malware.
  • Net Framework is broken.
  • Microsoft Source Engine (Ose.exe) is corrupted or disabled.
  • Installing a third party antivirus/malware program.
  • Error in the computer system registry.


How to solve error code 0x80070643 on windows?

There really isn't a single solution that fixes error 0x80070643. A successful solution depends on the specific cause. Here are some working solutions to fix the error.

0x80070643



SOLUTION 1: FIX VIRUS/MALWARE INFECTIONS

Run a full scan of installed antivirus/malware programs. You may be surprised to know that the error is only caused by a virus/malware on your computer system.


SOLUTION 2: REMOVE ANTIVIRUS/MALWARE PROGRAMS

There is a possibility that error 0x80070643 occurs only because of the installed antivirus/malware program. 

The error can easily appear when you have two different third party antivirus/malware programs. 

You should also consider disabling any installed antivirus/malware programs to see if that allows for a smooth installation of updates. Perform the following steps to uninstall the program:

  • Go to Control Panel.
  • Click Programs and Features.
  • Right-click on the antivirus/malware program and select Uninstall.
  • Wait for the installation to complete before installing the update again to see if error 0x80070643 is fixed.


SOLUTION 3: FIX A BROKEN SYSTEM

Regularly installing and removing programs on/from your computer corrupts some system files, which can cause error 0x80070643. Repair the file, if any. To repair a broken system follow these steps:


  • Click "Start Menu".
  • Navigate to "All Programs" to find "Accessories".
  • Locate and right click on "Command Prompt".
  • Select "Run as administrator".
  • Type "sfc /scannow" at the prompt before pressing ENTER.

Wait for this tool to check for and repair corrupted system files before going back to what you were doing to see if the error has been fixed.


SOLUTION 4: RESTARTING (OSE) THE SERVICE

You may encounter error code 0x80070643 simply because the Office Source Engine (OSE) service is disabled. Note that this solution will work if an error occurs during the installation of OSE related updates.

  • Press the Win + R key combination to open the "Run" box.
  • Type "services.msc" in the box and press ENTER.
  • Search OSE.
  • Double click to open OSE and check to make sure its startup status. Change the status to automatic if not enabled.


Go back to what you were doing (installing any OSE related updates) and check if this helps get rid of error 0x80070643.


SOLUTION 5: UPDATE WINDOWS DEFENDER

This solution will fix the error very quickly if it is related to the Windows Update (Defender) feature.


  • Connect your computer to the Internet.
  • Go to "Start Menu".
  • Click "Settings".
  • Go to "Update & Security".
  • Now, click on "Windows Defender" in the left pane.
  • Look in the right pane and scroll down to find "Version info".
  • Next, "Open Windows Defender" to open the app.
  • Click "Update" to update the app.

Allow the app to check for and download available updates to install. Go back to whatever you were doing before the 0x80070643 error occurred after the installation was complete.


SOLUTION 6: UPDATE/REPAIR .NET FRAMEWORK

Net Framework is not only important in the success of the programs running on your computer. It also plays an important role during program installation and updates. 

Outdated or corrupted Net Framework will easily cause error 0x80070643.

To update close all running programs and follow these steps:


  • Navigate to "Programs".
  • Click "Programs and Features".
  • Look for the "Microsoft .NET Framework Client Profile" available with your system.
  • Click Framework before clicking the "Uninstall/Change" tab.
  • Select "Repair .NET Framework Client Profile" before clicking "Next".
  • Click "finish" when the process is complete.
  • Click "Restart Now" if prompted to restart your computer.

Hopefully one of these solutions will work to fix error 0x80070643. A few tips from me may be useful and thank you for visiting.

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