Office 2013 doesn't start

Dear experts,
since a few days Microsoft office 2013 doesn't start on some PC . I find in system event viewer error 7031 and 7034 and i've to reinstall it. I've Windows 7 and kaspersky endpoint 10 antivirus. No other software was recently installed.
Windows automatic update is enable but there aren't recently updates.
Does someone has any ideas ?

Thanks a lot
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DeadmanIT ConsultantCommented:
Event viewer error 7031 and 7034 are related to printer spooler service. In event viewer view applications log for office errors. Try to repair MS Office 2013

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