How to Fix Windows Update Error 0x80070543?

by Ugnius Kiguolis - -


Issue: How to Fix Windows Update Error 0x80070543?

The system fails to run automatic Windows update due to the error 0x80070543. I rebooted the system a couple of times and tried to run the update, but the same error message appears. I have this issue on my PC, which runs Windows 10. However, I had the same problem on my laptop for a couple of month or so and did not manage to fix it. The laptop got so slow and unstable that I had to perform a clean install. Does anyone know how this error should be fixed?

Solved Answer


Error Code 0x80070543 emerged with Windows 7 and did not disappeared with Windows 10. It’s one of the Windows Update errors, meaning that it does not allow running any Windows updates until its causes will not be removed. The biggest problem of this bug is related to the fact that its causes are unknown. Well, there are lots of speculations on IT forums, but none of them are officially confirmed. Nevertheless, it’s evident that the update you are trying to install is problematic and may contain some corrupted components.

It goes without saying that missing system updates is a bad thing. If it stays so for a long time, eventually its vulnerability increases, speed decreases, various errors occur, and, in general, the system gets unstable. That’s why regular installation of Windows updates is a crucial. Having this in mind, if each time you access Windows Update and the installation of available updates fails all the time, we’ll provide several fixes that may help you to fix 0x80070543 error on Windows 10.

How to Fix Windows Update Error 0x80070543?

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To fix 0x80070543 bug on Windows OS, try to perform a system scan with Reimage. That’s a PC optimization tool, which purpose is to check the system thoroughly and detect all inconsistencies, including registry errors, corrupted files, malware, and similar. If the scan with this utility did not solve 0x80070543 error, here’s the fixes you can also try:

Fix 1. Use Component Services console

  1. Click Win key + X and select Run.
  2. If you receive a UAC prompt, click OK to continue.
  3. On the console tree, find Components Services and expand it.
  4. Find Computer and expand it as well.
  5. Right-click on My Computer and select Properties.
  6. On the Default Authentication Level, select Connect (in case it’s set to None).
  7. After that, on the list of Default Impersonation Level, select Identity and click OK.
  8. Then click Yes and close Component Services console.

Fix 2. Run DISM (Deployment Image Servicing and Management)

  1. Click Win key + X and select Command Prompt (Admin).
  2. Alternatively, you can click on Start, type cmd, right-click on the search results, and select Run as Administrator.
  3. If a confirmation window shows up, enter your administrator password and click Allow.
  4. Type DISM.exe /Online /Cleanup-image /Scanhealth and press Enter.
  5. After that, type DISM.exe /Online /Cleanup-image /Restorehealth and hit Enter again.
  6. Close Command Prompt window and reboot your PC.

Fix 3. Run Windows Update Troubleshooter

  1. Click Win key + W, type Troubleshooting, and click on the search results.
  2. Select View all Options.
  3. Click on Windows update and follow the setup to run the troubleshooter.

Fix 4. Run System File Checker

In case the previous fixes did not help to fix Windows Update error 0x80070543, you should also try to run System File Checker. For this purpose, click this link to open the official Microsoft website with the System File Checker download.

Fix 5. Reset Windows Update Components

The last thing you can try is to reset Windows Update Components. This method should be performed carefully because it rewuires executing many commands on the registries. To find out how to reset Windows Update Components, go to this page.

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About the author

Ugnius Kiguolis
Ugnius Kiguolis - The problem solver

Ugnius Kiguolis is the founder and editor-in-chief of UGetFix. He is a professional security specialist and malware analyst who has been working in IT industry for over 20 years.

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