How to fix
Thunderbolt driver setup error 0x80070643
on Windows

Hey. I have these issues with Thunderbolt driver failure and the 0x80070643 error code. I think the full installation could be the solution, but I would like to try other options instead before this major change. I don't want to damage the machine myself and trigger major issues. Can you help me?

Thunderbolt driver setup issues can create inconvenience if you are facing a problem on your device. The error code 0x80070643 in Windows also can create frustration for users.[ref en-1] Thunderbolt is the driver used with Intel generation processor in Windows 10, mainly. If it is not properly recognized it can trigger issues with the operating system. This is the main cause of the error of the driver setup.

The error code also indicates particular Windows Update issues and security errors, so you might want to check issues with the particular operating system update.[ref en-2] Installing faulty updates can cause these issues with drivers and other system files, so upgrading to an even newer or patched version can solve both issues for you.

These common issues can occur, and common questions about the particular error show that it is affecting many machines out there. Thunderbolt driver setup error 0x80070643 in Windows occurs when you trying to update programs or the system or install particular software. It is fixable, so do not worry that much.

The same error code appears when trying to install a program or during the Windows update. It is not an issue related to infections or malware.[ref en-3] Solving the problem can include repairing some of the systems files or programs that get damaged for various reasons. Failed installation of the OS might be one of them. Sometimes you want to disable the third-party antivirus software or other programs that cause problems with the performance.

Sometimes these system issues and file problems can be solved with repair or system optimization programs like [d1]. Running the quick system check can reveal issues with the program files and altered or corrupted files in system folders. This way you fix the Thunderbolt driver setup error 0x80070643 in Windows. If this is not the proper solution for you, try running through the steps below.

1. Troubleshoot Windows Updates

1. Go to Settings by hitting the Windows logo and I keys.
2. Locate Update & Security.
   

   

3. Then find Troubleshoot.
4. See Additional troubleshooters.
5. Go to Windows Update and select Run Troubleshooter.

2. Update drivers

• Press the Win and R keys to open the Run window.
• Enter devmgmt.msc.
• Hit Enter and open Device Manager.
  

  

  
  
• Double-click Display adapters and right-click the display adapter.
• You can choose any other related driver.
• Choose to Update driver.
• Select to search automatically.
  

  

• You can achieve the same with applications like [rev id="DriverFix"] that automatically searches for updates and installs needed drivers for you saving precious time for you.

3. Run SFC scan

• Type cmd.
  

  

• Right-click on it and select Run as administrator.
• In Command Prompt, type sfc /scannow and press Enter.
  

  

• Wait for the scan to complete.
• Try applying the offered fixes.

4. Restarts Windows installer process

1. On your keyboard, press the Windows key and R at the same time to launch the Run box.
2. Type services.msc and press Enter to open the Services window.
3.  Click on Windows Installer, then Restart.