Sometimes when you uninstall Office 2013 it doesn't remove all the components.


Office 15 Click-to-Run Extensibility Component remains on the computer and you might get an error when you try to reinstall Office 2013



To uninstall Office 2013 completely you must manually uninstall the Office 15 Click-to-Run Extensibility Component


Go to:

32bit
C:\Program Files\Microsoft Office 15\root\Integration\c2rint.msi

64bit
C:\Program Files (x86)\Microsoft Office 15\root\Integration\c2rint.msi

 

Right Click on c2rint.msi and Selected Uninstall.



Click Yes.


Now you'll be able to re-install Office 2013