How to fix error 0x80070663 in Windows 10?

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Error code 0x80070663 often appears when Windows 10 fails to install updates for Microsoft Office 2013 or 2016. This may be due to an unlicensed installation of Microsoft Office, but in some cases, Windows Update may also be involved. Windows updates usually provide better security and stability along with updates for Microsoft-related software, such as the already mentioned Microsoft Office.

Fortunately, the problems associated with updating the Windows operating system are easy enough to solve, and in a fairly short time. In this article, you can find the reasons for the appearance and several solutions for the error 0x80070663.

What causes Windows Update error 0x80070663 on Windows 10?

Here are some of the factors responsible for the appearance of the window update error 0x80070663:

  • Incorrect installation of Office: The error code can sometimes occur due to problems that occurred during a previous installation of Microsoft Office. In such cases, you will have to restore it from the app drawer and built-in Windows functions.
  • Windows Update service. Windows Update is responsible for updating your system. If it is not running, you will run into many update-related issues such as this one.

To fix the problem, you can follow the steps below.

Solution 1. “Repair” Microsoft Office installation

As mentioned above, the main cause of the error code is the last installation of Microsoft Office, which did not go entirely correctly. This problem can be easily dealt with and is definitely not worth worrying about. You just need to “repair” the installation by following the instructions below:

  1. Press Windows Key + X and click Apps & Features at the top of the list.
  2. When the window appears, search for Microsoft Office by typing in the search bar or going through the list.
  3. Once you’ve found it, highlight it and click “Change”.
  4. First go to Quick Repair and see if that fixes the problem. If the action does not help, try the “online repair”. “Online repair” will take a little longer, so be sure to be patient.
  5. Run the update again.

Solution 2. Check Windows Update Service

Another potential contributor to error code 0x80070663 is Windows Update Service. As we mentioned, this service must be running to install updates for your system. If it stops, you will encounter a number of update errors during installation or download. Verify that the service is running by following these steps:

  1. Press Windows Key + R to open the Run dialog box.
  2. Type “services.msc” and press Enter.
  3. Find Windows Update in the list of services.
  4. Double click on it to open its Properties.
  5. If the service status is paused, click Start to start the service.
  6. Try running the update again.

Solution 3. Installing the update manually

You can fix this problem in the form of error 0x80070663 by manually downloading and installing the required update. To do this, you need the KB code of the update you are trying to install. This information can be found in the Windows update error message. After receiving the database code, follow these steps to manually install the update:

  1. Open a browser and go to the Microsoft Update Catalog website.
  2. There, find the update you want to install by entering the KB code.
  3. Download the update for your system (x86 or x64).
  4. After the update is downloaded to your PC – just run it.
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