To resolve the 'Word cannot open the existing file (Normal.dotm)' error, reset the Normal.dotm file, use Open and Repair, and disable add-ins.

This guide will show you what to do exactly to fix this problem. How to fix Call of Duty Warzone 2.0 Page File error?

If you run into a "Content File Locked" error while using Steam, don't despair, it should be fixable. Here are some potential solutions to try out.