I am keep Getting 0xc0000142 error msg and Office not opening
Office is currently not supported in the Q&A forums, the supported products are listed over here https://docs.microsoft.com/en-us/answers/products (more to be added later on).
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Go to task manager, Services and restart ClicktoRunSvc.
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Refer to this Office link
Error 0xC0000142 when you start an Office 2016 application
Besides, try to do a office repair, go to control panel--> programs and features-->look for office installation and click over then hit change and select online repair.
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