Windows 10: Office fails to start

Discus and support Office fails to start in Windows 10 BSOD Crashes and Debugging to solve the problem; Periodically, when starting an Office programme, i.e. Excel I receive a message stating that: "C:\ProgramFiles\Common... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by Baz286, Feb 14, 2020.

  1. Baz286 Win User

    Office fails to start

    Periodically, when starting an Office programme, i.e. Excel I receive a message stating that:
    "C:\ProgramFiles\Common Files\MicrosoftShared\Office16\msc20win32client.dll is either not designed to run on on Windows or it contains an error. Try installing the programme again using the original installation media or contact your system administrator or the software vendor for support. Error status 0xc000012f".

    I downloaded the programme from Microsoft itself so the programme is genuine. I can resolve the issue by running an Online Repair but this only works for a short time and then the problem returns. Is there any way to resolve this permanently?

    I look forward to any advice/solutions you may have to offer.

    Many thanks,


    Moved from: Office Unknown/other Windows 10 Office 2016

    Baz286, Feb 14, 2020
  2. rboris Win User

    after 1709 this error: "RtcPalVideoEtwSession" failed to start

    After the upgrade I am consistently getting this error:

    "RtcPalVideoEtwSession" failed to start with the following error: 0xC0000022

    Do know it is related to Skype for Business and several posts -- mostly in Microsoft Forums-- suggest uninstalling.

    But Control Panel==>Programs and Features does not have Skype for Business listed.

    I am running "stand alone" Office 2016 not Office 365 etc.


    Thanks in advance for your help.
    rboris, Feb 14, 2020
  3. bro67 Win User
    Office 365 programs: Application unable to start correctly 0xc0000142

    Always start with the basics. No need to blow the OS away for something that can be resolved through six step troubleshooting.

    Your first step is trying a Online Repair of Office. The next would be a complete uninstall of Office and then reinstall.
    bro67, Feb 14, 2020
  4. Ahhzz Win User

    Office fails to start

    Office 2019

    Only supported on Win10. Sorry, 8.1 users, only 4 years old, gotta go.

    Microsoft Office 2019 will only work on Windows 10

    Spoiler Office 2019
    Last year at Ignite, we announced Office 2019 – the next perpetual version of Office that includes apps (including Word, Excel, PowerPoint, and Outlook, and Skype for Business) and servers (including Exchange, SharePoint, and Skype for Business). Today we’re pleased to share the following updates:

    • Office 2019 will ship in H2 of 2018. Previews of the new apps and servers will start shipping in the second quarter of 2018.
    • Office 2019 apps will be supported on:
      • Any supported Windows 10 SAC release
      • Windows 10 Enterprise LTSC 2018
      • The next LTSC release of Windows Server
    • The Office 2019 client apps will be released with Click-to-Run installation technology only. We will not provide MSI as a deployment methodology for Office 2019 clients. We will continue to provide MSI for Office Server products.
    Ahhzz, Feb 14, 2020

Office fails to start

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