If the problem exists, move on to the following solutions.
Do you know what is the DumpStack.log.tmp in your gear?
This post explains it to you and shows you the method to delete it.

Solution 1.
Update Microsoft Office
Check whether your Microsoft Office is updated to the latest version.
Sometimes, running an outdated version may encounter diverse problems, including the Microsoft Office app error 0xc0000142.
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you might make a run at open other applications in the Office suite.
However, you may be unable to launch any Office applications.
In this case, follow the steps below to upgrade Microsoft Office.

TypeTask Schedulerinto the Windows Search bar and hit Enter to open it.
Head toTask Scheduler Library > Microsoft > Office, then select theOffice Automatic Updates 2.0option.
ChooseRunto update Microsoft Office.

It enables the download, installation, and execution of Windows and applications.
You should ensure this service is enabled with the following steps.
PressWin + Rto fire up the Run window.

Typeservices.mscand hitEnterto open Services.
Scroll down to find theSoftware Protectionoption and double-hit it to open.
ClickStartto run this service.

if you stumble on the Microsoft Software Protection Platform Service High CPU Usage error, readthis postto find solutions.
Solution 3.
You are suggested toback up important filesbefore uninstalling the software to avoid any data loss withMiniTool ShadowMaker.
TypeControl Panelinto the Windows search bar and hitEnterto open it.
ChooseUninstall a programunder the Programs option.
Find Microsoft Office from the program list, then right-select it to chooseUninstall.
After installing, you’re able to reinstall it from the Microsoft Official website.
Additionally, you might chooseChangefrom the same right-click menu and select to repair the program.
Final Words
This post shows you several approaches to help address the Microsoft Office system error 0xc0000142.
You are advised to try those methods one by one to find which works on your case.
Hope this post gives you some useful information.