Exception if data is received from the serial port and sent to QTextEdit or QPlainTextEdit.

See application output

Exception at 0x7ff9c1dca839, code: 0xe06d7363: C++ exception, flags=0x1 (execution cannot be continued) (first chance) in dwrite!GdiFontFileLoader::CreateFontFace

 ** 

Exception at 0x7ff9c1dca839, code: 0xe06d7363: C++ exception, flags=0x1 (execution cannot be continued) (first chance) in dwrite!MapExceptionToHresult

 ** 

Exception at 0x7ff9c1dca839, code: 0xe06d7363: C++ exception, flags=0x1 (execution cannot be continued) (first chance) in dwrite!GdiFontFileLoader::CreateFontFace

 ** 

Exception at 0x7ff9c1dca839, code: 0xe06d7363: C++ exception, flags=0x1 (execution cannot be continued) (first chance) in dwrite!MapExceptionToHresult

If check next break steps this only happens for the following fonts:

Fixedsys

MS Sans Serif

MS Serif

Small Fonts

System

Modern

I'm attach a screenshot of the debugger

Version of windows 10 -> 1903 (os build 18362.535)

This was not observed in windows 7!!!

OpenType support missing for "Courier New", script 66

OpenType support missing for "MS Shell Dlg 2", script 66

OpenType support missing for "Arial", script 66

OpenType support missing for "MS UI Gothic", script 66

OpenType support missing for "SimSun", script 66