A family of Microsoft word processing software products for creating web, email, and print documents.
Assuming that (1) you have restarted your computer and the problem persists and (2) you clicked on "Repair Now" or "Resolve" without it helping, I suggest that you do an Online Repair.
https://support.office.com/article/7821d4b6-7c1d-4205-aa0e-a6b40c5bb88b
Before doing that, though, check that your license for Office or Microsoft 365 is associated with your Microsoft Account.