Hola oscampo, estupenda idea

Lo he probado en dos Windows 8.1 64 bits (ahora mismo no tengo ningun W10 disponible) y tengo el mismo problema, abriendo el .exe como usuario normal y como administrador.
En el cuadrado rojo supongo que tiene que aparecer la formula a resolver (en la pestaña Answers sale el mismo
cuadradito rojo):

En la pestaña
Imagen si aparece dicha formula:

Pero cuando le das a
Abrir MS Paint sale en blanco:

Este es el log:
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] SMath Studio Desktop 64-bit 0.99.7822.147
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] Mathcad File Access Functions, version 1.0.7850.28384, 29-jun.-2021 15:46:08
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] OS: Microsoft Windows NT 6.2.9200.0
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] .Net: 4.0.30319.42000
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] DocumentDirectory(1) - Gets the fully qualified path of the current document.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] CurrentDirectory(1) - Gets or sets the fully qualified path of the current working directory.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] GetFolderPath(1) - Gets the path to the system special folder identified by the specified enumeration.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] GETWAVINFO(1) - Creates a vector with four elements containing information about file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] Play(1) - Play sound file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] READBIN(6) - ( file, type, endian, cols, skip, maxrows ) returns an array containing the binary data in file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] READBMP(1) - Creates an array containing a grayscale representation of a bitmap format image file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] READRGB(1) - Creates an array containing a red-green-blue packed matrix representation of the image file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] READWAV(1) - Creates a matrix containing signal amplitudes in file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] READ_BLUE(1) - Returns a matrix representing the RGB blue component of the image in file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] READ_GREEN(1) - Returns a matrix representing the RGB green component of the image in file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] READ_IMAGE(1) - Creates an array containing a grayscale representation of the image file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] READ_RED(1) - Returns a matrix representing the RGB red component of the image in file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] rfile(2) - ( path, filename ) Reads an expression from the file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] wfile(3) - ( value, path, filename ) Writes the expression to the file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] WRITEBIN(4) - ( file, type, endian, M ) writes an array of scalars to the binary data file named file.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] WRITEWAV(4) - ( file, s, b, M ) Creates a WAV signal file out of a matrix.
06.07.2021 11:08:56 [INFO ] [Plugin.Initialize()] Successfully. 17 function(s) loaded.
No se si estoy haciendo algo mal ya que tambien echo a faltar algun boton de confirmacion una vez escrita la respuesta.
Probadores Saludos