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Office 365 Apps Won't Start, Error 0xC0000142

Anonymous
2024-02-18T21:49:51+00:00

So about four days ago my wife was on her laptop (she's an LPC that uses Zoom) and all was well. She was getting her email fine between sessions. She came back the next day, started her Dell Inspiron 17 5000 (running WIndows 10) and her email would not start.

Outlook would throw up the splash title card, but then the start up would fail with the message “The Application Was Unable to Start Correctly (0xc0000142)”. I also tried starting Word, Excel and PowerPoint, all the same result.

I also used the 'Repair' button in settings, but it did nothing. I also tried to repair it in Programs and Features, but that failed with Error Code 30053-44 saying it couldn't find any Office apps installed.

I then tried a system restore that I believe was from one day before the problem started with some Windows Modules Installer update.

All I want is to find the email data files so I can save all her old emails...she has hundreds that are business related. And yeah, it should have had a back up feature to another folder or a could, but we're past that, now.

Can anyone help? I looked for hours online using all the recommendations for where those .pst files are, but I cannot find them.

Thanks!

Microsoft 365 and Office | Word | For home | Windows

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  1. Anonymous
    2024-02-19T00:20:03+00:00

    This answer is not helpful. As I said, I already tried opening Outlook, Word and Excel and I can't....I get an error message. So I can't update them the way you suggest, and I can't get to the data files that way either.

    Any other suggestions?

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  2. Anonymous
    2024-02-18T22:51:16+00:00

    Hello,

    Welcome to Microsoft Community. I am a Microsoft user just like you, I hope you are doing well.

    I'm sorry to hear that you're having trouble with Office 365 apps not starting and showing error 0xC0000142. This error means that the application failed to initialize properly. This may happen due to various reasons, such as corrupted or outdated Office files, Windows updates, or registry issues. To fix this error, you can try the following solutions:

    • Update your Office 365 apps to the latest version. You can do this by opening any Office app, such as Word or Excel, and then going to File > Account > Update Options > Update Now

    https://support.microsoft.com/en-us/office/error-0xc0000142-when-you-start-an-office-application-64b3a500-ee74-4b66-b370-9d607ef92b6c.

    • Run Windows update and install any available updates for your system. You can do this by going to Settings > Update & Security > Windows Update > Check for updates

    • Ensure that the Office Software Protection Platform service is running. You can do this by pressing Windows + R keys to open the Run dialog box, typing services.msc and pressing Enter. Then, look for the service named Office Software Protection Platform, right-click on it and select Properties. Make sure that the Startup type is set to Automatic and the Service status is Running. If not, click on Start to start the service

    • Repair your Office 365 installation from the Control Panel. You can do this by going to Control Panel > Programs > Programs and Features, selecting Microsoft Office 365 and clicking on Change. Then, choose Quick Repair or Online Repair and follow the instructions to repair your Office files

    • Uninstall and reinstall your Office 365 apps. You can do this by using the Office uninstall support tool, which you can download from this link

    Follow the steps to uninstall your Office apps completely, and then reinstall them from your Microsoft account.

    To find your email data files (.pst), you can follow these steps:

    • Open Outlook and click on the File tab.

    • Click on Account Settings and then Account Settings again.

    • Click on the Data Files tab. You will see a list of all the .pst files that are associated with your Outlook account. The location of each file is displayed next to its name You can also use the search function in File Explorer to look for .pst files on your computer. You can do this by pressing Windows + E keys to open File Explorer, typing .pst in the search box, and pressing Enter. You will see all the .pst files on your computer.

    I hope this helps you fix the error 0xC0000142 and find your email data files

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