WingDings instead of Text?

[Gina Lennon]

All my excel spreadsheets have the following problem:

EVERYTHING - every single one of my excel spreadsheets - regardless of the formatting (text, formulas, font) show WingDings in the name box.  There is no text, no formula's, everything is displayed as WindDings.

[#2]

Have you recently updated any software/antivirus (Malwarebytes)? Having a quick google, years ago there was an issue just like your's and it seems to link up with an update to Malwarebytes. Just a thought.