2024-11-19T04:15:37.899Z root ERROR Error: The index of the cores and libraries must be updated before initializing the core gRPC client.
The following problems were detected during the gRPC client initialization:
[library-index] - code: 9, message: Loading index file: reading library_index.json: open C:\Users\Administrator\AppData\Local\Arduino15\library_index.json: The system cannot find the file specified.
at D:\ArduinoIDE\Arduino IDE\resources\app\lib\backend\main.js:2:770471
at v.evaluateErrorStatus (D:\ArduinoIDE\Arduino IDE\resources\app\lib\backend\main.js:2:770487)
at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
at async s.<anonymous> (D:\ArduinoIDE\Arduino IDE\resources\app\lib\backend\main.js:2:770157)
Please post the full log. It looks like your using Windows so you can follow the instruction in Cannot get ide2.3.3 to start up - #3 by ptillisch.
The IDE needs to download some additional files after installation. Is there anything special about your network setup that might prevent this? E.g. company computer/network or school network?