The string v2721exe suggests a model like (e.g., Brady, Brother, Epson, or a generic blueprint/label printer). Do not run random .exe files from untrusted sources.

: Turn the printer off and on again once the USB is reconnected.

Software updates often prioritize new features, but version 2.7.2.1 is widely considered the "goldilocks" version for Blueprint users. It balances speed with system stability.