FIX: Application Was Unable to Start Correctly (0xc0000142) in Office 2019/2016.

Last updated on September 26th, 2019

The following problem occurred after installing updates to a Windows 10 based PC with Office 2019: All MS Office applications doesn't open and display the error: "The application was unable to start correctly (0xc0000142). Click OK to close the application".

FIX: Error 0xc0000142 - Application Was Unable to Start Correctly - Office 2019/2016

The application error 0xc0000142 "The application was unable to start correctly", may appear when your try to open any Microsoft Office 2016 or 2019 program (Word, Outlook, Excel, etc.),  after installing the following Windows 10 Updates:

    1. KB4480116 : 2019-01 Cumulative Update for Windows 10
    2. KB4481031 : 2019-01 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10
    3. KB4483235 : 2018-12 Cumulative Update for Windows 10

This tutorial contains step by step instructions to fix the Error 0xC0000142 when you start an Office 2016/2019 application.

How to Fix: Application Error 0xC0000142 in MS Office 2016 or 2019.

Important: Before you continue to apply the methods below, navigate to Update and Security center and install all available updates.

Method 1. Uninstall Latest Windows or Office Updates.
Method 2. Restore your System to a Previous Working State.
Method 3. Repair Office Installation.

Method 1. Uninstall Latest Windows or Office Updates.

The first to resolve the error 0xc0000142 in Office programs, is to uninstall the latest Windows updates from your PC. To do that:

1. Simultaneously press the Windows image + R keys to open run command box.
2. In run command box, type: appwiz.cpl and press Enter.

appwiz.cpl - Programs and Features

3. In Programs and Features click View Installed updates on the left.

View Installed Updates - Windows

4. Click at "installed on" to sort the updates based on their installation date, and then select and uninstall all the latest Windows (or Office) updates.

Uninstall Updates - Windows 10

5. When the uninstall process completed restart your computer.
6. After restart, open any Office application and check if the error 0x0000142 has resolved. If the error persists then follow the same steps and uninstall all the latest Updates, before you continue to the next method.

Method 2. Restore your System to a Previous Working State.

The next method to fix the Error "0xc0000142 – application was unable to start correctly" in Office 2016 or Office 2019, is to restore your PC to a previous state by using the Windows System Restore feature. To do that:

1. Simultaneously press the Windows image + R keys to open run command box.
2. In run command box, type: rstrui and press Enter.

rstrui - System Restore

3. At the first screen of the System Restore wizard, click Next and then select a previous state and click Next to restore your system on that date.

Windows System Restore

4. When the system restore is completed, check if the error 0xc0000142 is resolved.

Method 3. Repair Office.

The final method to resolve the error 0xc0000142 in MS Office 2016/2019, is to repair the Office installation by following the steps below:

1. Simultaneously press the Windows image + R keys to open run command box.
2. In run command box, type: appwiz.cpl and press Enter.

Open Programs & Features - Windows

3. In Programs and features, select the Office version you have installed, and click Change.

Repair Office 2016 - Office 2019

4. Leave the Quick Repair option selected and click Repair.

Quick Repair Office 2016 - Office 2019

5. When the Office repair process is completed, launch any Office application and see if the error persists. If the error "0xc0000142" appears again, then follow the same steps but this time select the Online Repair option. *

* Note: The "Online Repair" process, will remove and then will reinstall all the Office applications on your PC. After, reinstall you may prompted to reactivate your Office product.

Online Repair Office 2019 -2016

That it! Let me know if this guide has helped you by leaving your comment about your experience. Please like and share this guide to help others.

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