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(5 Fixes) Application Software Error 0xc0000142 - Office, Windows Finally,The following error 0xc0000142 generally take place after installing updates to a Windows 10 or Windows 11 primarily based PC with Office 2019/2021/365, All MS Office purposes does n’t open and show the error “ The utility used to be unfit to begin effectively (0xc0000142). Click OK to shut the operation ”.