Freezing panes was once the go-to method for keeping headers in view, but on modern 16:9 screens, it takes up valuable vertical space. If you're still locking rows like it's 1997, it's worth exploring ...
Some installed add-ins might be conflicting with Excel and causing this issue. To check this, disable all the installed add-ins and check if the issue persists. Now, relaunch Excel and see if you can ...