Both apps are showing the problem, so an app problem is most likely ruled out.
Both WiFi and serial are showing the problem, so both of those are most likely ruled out.
The scanner shows the correct display, so the scanner is most likely ruled out.
What's left? You computer. Did you re-boot your computer? Check your computer drive for errors? Maybe a corrupt font file? Are you using the correct Uniden serial driver? Can you try a different computer?
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