"java.nio.charset.UnsupportedCharsetException: Cp65001" error on IDE startup
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- Java
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Description
I am using Windows 10 pro, 64 bit operating system, x64-based processor. I have installed arduino-1.8.8-windows. It just open temporary and close immediately within a second.
I have execute arduino_debug on cmd prompt and file is attached here

- [arduino_debug.xlsx](https://github.com/arduino/Arduino/files/2768037/arduino_debug.xlsx)
- [arduino_debug.xlsx](https://github.com/arduino/Arduino/files/2768041/arduino_debug.xlsx)
What may be the issue to run arduino-1.8.8-windows?
Contributor guide
Research direction
Start with the attached arduino_debug output and reproduce the Arduino IDE 1.8.8 startup failure on the reported Windows 10 setup, focusing on the Cp65001 UnsupportedCharsetException. Trace the startup path that reports this exception and verify completion by launching the IDE without the error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- desktop, devtools
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100