I’m using office 2016 version and works. So its a problem with your windows and not with the x98.
Download this tool to uninstall:
https://support.office.com/en-us/article/Uninstall-Office-from-a-PC-9dd49b83-264a-477a-8fcc-2fdf5dbf61d8?ui=en-US&rs=en-US&ad=US
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