RadioConfig Buttons Crash GUI w/ Processing 4

[retiutut]

Problem

The GUI crashes and a log file is saved in the application directory on Windows.

Expected

RadioConfig buttons for Manual Cyton Config need to work on Windows, without the GUI crashing.

Operating System and Version

Windows

GUI Version

4.2.0

Running standalone app

Happens in Standalone and Processing-Java on Windows only

Type of OpenBCI Board

Cyton and Cyton+Daisy

Are you using a WiFi Shield?

No

Console Log

Console Log Started at Local Time: 2020-01-31_18-48-18
Screen Resolution: 1920 X 1080
Welcome to the Processing-based OpenBCI GUI!
For more information, please visit: https://openbci.github.io/Documentation/docs/06Software/01-OpenBCISoftware/GUIDocs
Launching application from local data dir
OpenBCI_GUI: hubStart: OS Detected: Windows
TopNav: Internet Connection Successful
Local Version: 420, Latest Version: 420
GUI is up to date!
OpenBCI_GUI::Setup: Sample Data exists in Documents folder.
ControlP5 2.2.6 infos, comments, questions at http://www.sojamo.de/libraries/controlP5
CP: Playback History Size = 1
OpenBCI_GUI::Setup: Setup is complete!
Instantiating hub object...
Hub: CheckHubInit: The GUI is connected to the Hub!
sourceList: click! 
setInterface: curInterface: -1
channel count set to 8
Setting Latency to 10000
Setting WiFi Internet Protocol to udpBurst
Setting WiFi style to dynamic
[DEFAULT]: Protocol Serial Selected for Cyton
setInterface: curInterface: 0
Setting sample rate for Cyton to 250Hz


sample rate set to: 250
[DEFAULT]: Transfer Protocol set to serial
serialList: click! 
[DEFAULT]: OpenBCI Port Name = COM4
Radios_Config: scan_channels
[DEFAULT]: Attempting to open Serial/COM port: COM4
Radios_Config: connect_to_portName: Attempting to open serial port: COM4

hs_err_pid15512.log

[retiutut]

If you need to use this feature on Windows, please use GUI 4.1.7 for now. This should be resolved for GUI 5.0.0.

[retiutut]

The upstream issue has been closed! Testing this soon using Processing 4 on Windows.