You might see Error 0xC0000142 when you start an Office application. To help you resolve this, try the solutions below. We’ve listed the most common solutions first so try the steps in the order they're listed.

Solution 1 - Update Office

Make sure Office is updated to Version 2102 (Build 13801.20808) or later. If you're not setup for automatic updates do the following:

Note: If your IT admin manages Office updates, you may not be able to do the steps below. Contact your admin for help with this error. If you're the admin and need help managing updates in your organization, see Choose how to manage updates.

  1. In the search box on the taskbar type type Task Scheduler.

  2. Expand the Task Scheduler Library and select Microsoft > Office.

  3. In the the middle window find Office Automatic Updates 2.0. Right-click it and select Run.

If updating Office this way doesn't work, try the other options below.

Solution 2 - Repair Office from the Control Panel

How you get to the repair tool depends on your operating system. Choose your operating system from the drop-down list below.

  1. Right-click the Start button Windows Start button in Windows 8 and Windows 10 (lower-left corner), and select Apps and Features on the pop-up menu.

    Screenshot of start menu showing Apps and Features
  2. Select the Microsoft Office product you want to repair, and select Modify.

    Note: This will repair the entire Office suite even if it's just one application you want to repair such as Word or Excel. If you have a standalone app installed, then search for that application by name.

  3. Depending if your copy of Office is Click-to-run or MSI-based install, you'll see the following options to proceed with the repair. Follow the steps for your installation type.

    Click-to-run

    In the window How would you like to repair your Office Programs, select Online Repair > Repair to make sure everything gets fixed. (The faster Quick Repair option is also available, but it only detects and then replaces corrupted files.)

    MSI-based

    In Change your installation, select Repair and then click Continue.

  4. Follow the instructions on the screen to complete the repair.

  1. Right-click the Start button Windows Start button in Windows 8 and Windows 10 (lower-left corner), and select Control Panel from the pop-up menu.

    Options and commands list see after pressing Windows logo key + X
  2. From Category view, under Programs, select Uninstall a program.

  3. Right-click the Microsoft Office product you want to repair, and from the drop-down, select Change.

    Note: If you have a suite such as Microsoft 365 Family, Office Home & Student 2016, or Office Home and Student 2013, search for the suite name, even if it's just a particular application you want to repair such as Word or Excel. If you have a standalone application such as Word or Excel, search for the application name.

  4. Depending if your copy of Office is Click-to-run or an MSI-based install, do the following for your Office installation type:

    Click-to-Run installation type:

    In How would you like to repair your Office Programs, select Online Repair to make sure everything gets fixed, and then select Repair. (The faster Quick Repair option is also available, but it only detects and then replaces corrupted files.)

    MSI-based installation type:

    In Change your installation, select Repair and then click Continue.

  5. Follow the remaining instructions on the screen to complete the repair.

  1. Click the Start button Windows 7 Start button > Control Panel.

  2. From Category view, under Programs, select Uninstall a program.

  3. Click the Office product you want to repair, and then click Change.

    Note: If you have a suite such as Microsoft 365 Family, Office Home & Student 2016, or Office Home and Student 2013, search for the suite name, even if it's just a particular application you want to repair such as Word or Excel. If you have a standalone application such as Word or Excel, search for the application name.

  4. Depending if your copy of Office is Click-to-run or an MSI-based install, do the following for your Office installation type:

    Click-to-Run installation type:

    In How would you like to repair your Office Programs, select Online Repair to make sure everything gets fixed, and then select Repair. (The faster Quick Repair option is also available, but it only detects and then replaces corrupted files.)

    MSI-based installation type:

    In Change your installation, select Repair and then click Continue.

  5. Follow the remaining instructions on the screen to complete the repair.

Solution 3 - Run Windows update

Check that you're running the latest version of Windows. See Update Windows 10

Solution 4 - Ensure the Office Software Protection Platform is running

  1. In Windows 10, type Services in the search bar and open the app.

  2. In the list of Services, look for a service called Office Software Protection Platform, right-click and select Properties.

    Note: If Office Software Protection Platform isn't listed, you're on a newer version of Office that doesn't use this service. Proceed to the next recommendation.

  3. Confirm that the Startup type is set to Automatic and Service status is set to Running.

  4. If Service status says Stopped, select Start to start the service.

Solution 5 - Uninstall and reinstall Office

If the above solutions didn't resolve this error you may have to completely uninstall and then reinstall Office. Follow the steps below.

Tip: Uninstalling Office only removes the Office applications from your computer, it won't remove any of the files, documents, or workbooks you created using the apps.

  1. Click the button below to download and install the Office uninstall support tool.

    Easy fix download button indicating an automated fix is available
  2. Follow the steps below to download the uninstall support tool according to your browser.

    Tip: The tool may take a few minutes to download and install. After completing the installation, the Uninstall Office products window will open.

    Edge or Chrome

    • In the lower-lower left corner right-click SetupProd_OffScrub.exe > Open.

      Where to find and open the Support Assitant download file in a Chrome web browser

    Edge (older) or Internet Explorer

    • At the bottom of the browser window, select Run to launch the SetupProd_OffScrub.exe.

      Where to find and open the Support Assitant download file in the Edge or Internet Explorer web browser

    Firefox

    • In the pop-up window, select Save Fileand then from the upper-right browser window, select the downloads arrow > SetupProd_OffScrub.exe.

      Where to find and open the Support Assitant download file in a Chrome web browser
  3. Select the version you want to uninstall, and then select Next.

  4. Follow through the remaining screens and when prompted, restart your computer.

    After you restart your computer, the uninstall tool automatically re-opens to complete the final step of the uninstall process. Follow the remaining prompts.

  5. Select the steps for the version of Office you want to install or reinstall. Close the uninstall tool.

    Microsoft 365 | Office 2019 | Office 2016 | Office 2013 | Office 2010 | Office 2007

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