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Description
Describe the problem
Hello,
I'm under Windows 11 with and without proxy, when I run the Arduino 2.3.6 IDE and older 2.x.x versions, the application hangs like this:
Please find below the full log:
PS C:\Arduino\arduino-ide_2.3.6_Windows_64bit> & '.\Arduino IDE.exe'
PS C:\Arduino\arduino-ide_2.3.6_Windows_64bit> Arduino IDE 2.3.6
Checking for frontend application configuration customizations. Module path: C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\electron-main.js, destination 'package.json': C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\package.json
Setting 'theia.frontend.config.appVersion' application configuration value to: "2.3.6" (type of string)
Setting 'theia.frontend.config.cliVersion' application configuration value to: "1.2.0" (type of string)
Setting 'theia.frontend.config.buildDate' application configuration value to: "2025-04-09T11:26:55.498Z" (type of string)
Frontend application configuration after modifications: {"applicationName":"Arduino IDE","defaultTheme":{"light":"arduino-theme","dark":"arduino-theme-dark"},"defaultIconTheme":"none","electron":{"windowOptions":{},"showWindowEarly":true,"splashScreenOptions":{},"uriScheme":"arduino-ide"},"defaultLocale":"","validatePreferencesSchema":false,"reloadOnReconnect":true,"uriScheme":"theia","preferences":{"window.title":"${rootName}${activeEditorShort}${appName}","files.autoSave":"afterDelay","editor.minimap.enabled":false,"editor.tabSize":2,"editor.scrollBeyondLastLine":false,"editor.quickSuggestions":{"other":false,"comments":false,"strings":false},"editor.maxTokenizationLineLength":500,"editor.bracketPairColorization.enabled":false,"breadcrumbs.enabled":false,"workbench.tree.renderIndentGuides":"none","explorer.compactFolders":false},"appVersion":"2.3.6","cliVersion":"1.2.0","buildDate":"2025-04-09T11:26:55.498Z"}
Starting backend process. PID: 12220
Showing main window early
Using browser-only version of superagent in non-browser environment
Configuration directory URI: 'file:///c%3A/Users/userName/.arduinoIDE'
Configuring to accept webviews on '^.+\.webview\..+$' hostname.
2025-06-13T09:07:13.122Z root INFO Backend u.initialize: 28.6 ms [Finished 0.579 s after backend start]
2025-06-13T09:07:13.123Z root INFO Backend Object.initialize: 27.1 ms [Finished 0.579 s after backend start]
2025-06-13T09:07:13.124Z root INFO Backend a.initialize: 1.7 ms [Finished 0.579 s after backend start]
2025-06-13T09:07:13.124Z root INFO Backend a.initialize: 1.4 ms [Finished 0.579 s after backend start]
2025-06-13T09:07:13.124Z root INFO Backend u.initialize: 1.8 ms [Finished 0.580 s after backend start]
2025-06-13T09:07:13.126Z root INFO Backend l.initialize: 28.7 ms [Finished 0.581 s after backend start]
2025-06-13T09:07:13.135Z root INFO configured all backend app contributions
2025-06-13T09:07:13.137Z root INFO Backend l.onStart: 2.3 ms [Finished 0.594 s after backend start]
2025-06-13T09:07:13.137Z root INFO Backend d.onStart: 0.8 ms [Finished 0.595 s after backend start]
2025-06-13T09:07:13.139Z root INFO Backend a.onStart: 0.5 ms [Finished 0.596 s after backend start]
2025-06-13T09:07:13.140Z config INFO >>> Initializing CLI configuration...
2025-06-13T09:07:13.140Z root INFO Backend x.onStart: 0.5 ms [Finished 0.597 s after backend start]
2025-06-13T09:07:13.140Z config INFO Loading CLI configuration from c:\Users\userName\.arduinoIDE\arduino-cli.yaml...
2025-06-13T09:07:13.141Z daemon INFO Starting daemon from C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\resources\arduino-cli.exe...
2025-06-13T09:07:13.141Z root INFO Backend w.onStart: 1.0 ms [Finished 0.598 s after backend start]
2025-06-13T09:07:13.141Z discovery-log INFO start
2025-06-13T09:07:13.141Z discovery-log INFO start new deferred
2025-06-13T09:07:13.141Z root INFO Backend v.onStart: 0.6 ms [Finished 0.599 s after backend start]
2025-06-13T09:07:13.141Z root INFO Backend a.onStart: 0.2 ms [Finished 0.600 s after backend start]
2025-06-13T09:07:13.178Z root WARN The local plugin referenced by local-dir:/c%3A/Users/userName/.arduinoIDE/plugins does not exist.
2025-06-13T09:07:13.178Z root WARN The local plugin referenced by local-dir:/c%3A/Users/userName/.arduinoIDE/deployedPlugins does not exist.
2025-06-13T09:07:13.179Z root WARN The local plugin referenced by local-dir:C:\Users\userName\.arduinoIDE\plugins does not exist.
2025-06-13T09:07:13.184Z root INFO Theia app listening on http://127.0.0.1:62047.
2025-06-13T09:07:13.184Z root INFO Finished starting backend application: 43.2 ms [Finished 0.643 s after backend start]
2025-06-13T09:07:13.188Z config INFO Loaded CLI configuration: {"board_manager":{"additional_urls":["https://github.com/stm32duino/BoardManagerFiles/raw/dev/package_stmicroelectronics_index.json"]},"directories":{"builtin":{"libraries":"C:\\Users\\userName\\AppData\\Local\\Arduino15\\libraries"},"data":"c:\\Users\\userName\\AppData\\Local\\Arduino15","user":"c:\\Users\\userName\\OneDrive - STMicroelectronics\\Documents\\Arduino"},"locale":"en"}
2025-06-13T09:07:13.188Z config INFO 'directories.data' and 'directories.user' are set in the CLI configuration model.
2025-06-13T09:07:13.188Z config INFO Loaded the CLI configuration.
2025-06-13T09:07:13.189Z config INFO Mapped the CLI configuration: {"dataDirUri":"file:///c%3A/Users/userName/AppData/Local/Arduino15","sketchDirUri":"file:///c%3A/Users/userName/OneDrive%20-%20STMicroelectronics/Documents/Arduino","additionalUrls":["https://github.com/stm32duino/BoardManagerFiles/raw/dev/package_stmicroelectronics_index.json"],"network":"none","locale":"en"}
2025-06-13T09:07:13.189Z config INFO Validating the CLI configuration...
2025-06-13T09:07:13.189Z config INFO The CLI config is valid.
2025-06-13T09:07:13.189Z config INFO <<< Initialized the CLI configuration.
2025-06-13T09:07:13.300Z root INFO Resolve plugins list: 154.0 ms [Finished 0.756 s after backend start]
2025-06-13T09:07:13.302Z daemon INFO time="2025-06-13T11:07:13+02:00" level=info msg="arduino-cli version 1.2.0"
2025-06-13T09:07:13.303Z daemon INFO time="2025-06-13T11:07:13+02:00" level=info msg="Using config file: c:\\Users\\userName\\.arduinoIDE\\arduino-cli.yaml"
time="2025-06-13T11:07:13+02:00" level=info msg="Executing `arduino-cli daemon`"
2025-06-13T09:07:13.322Z daemon INFO Daemon is now listening on 127.0.0.1:62048
{"IP":"127.0.0.1","Port":"62048"}
2025-06-13T09:07:13.322Z daemon INFO Daemon is running.
2025-06-13T09:07:13.928Z root INFO Deploy plugins list: 785.5 ms [Finished 1.387 s after backend start]
2025-06-13T09:07:14.497Z root INFO creating connection for 1
2025-06-13T09:07:15.327Z root WARN Frontend a.configure took longer than the expected maximum 100 milliseconds: 153.0 ms [Finished 2.130 s after frontend start]
2025-06-13T09:07:15.351Z root ERROR Uncaught Exception: Error: 14 UNAVAILABLE: No connection established. Last error: Failed to connect (2025-06-13T09:07:15.348Z)
2025-06-13T09:07:15.351Z root ERROR Error: 14 UNAVAILABLE: No connection established. Last error: Failed to connect (2025-06-13T09:07:15.348Z)
at t.callErrorFromStatus (C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:3089094)
at Object.onReceiveStatus (C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:6679669)
at Object.onReceiveStatus (C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:2572294)
at Object.onReceiveStatus (C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:2571739)
at C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:4307911
at process.processTicksAndRejections (node:internal/process/task_queues:77:11)
for call at
at s.makeUnaryRequest (C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:6679200)
at s.create (C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:3088187)
at instance (C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:6283083)
at new Promise (<anonymous>)
at y.createClient (C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:6283060)
at y.create (C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:6281968)
at C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:6280864
at C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:1018551
at s.invoke (C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:1018641)
at a.fire (C:\Arduino\arduino-ide_2.3.6_Windows_64bit\resources\app\lib\backend\main.js:2:1020444)
2025-06-13T09:07:15.366Z root WARN A command editor.action.toggleStickyScroll is already registered.
Opening channel for service path '/services/electron-window'.
Opening channel for service path '/services/ide-updater'.
2025-06-13T09:07:15.474Z root INFO Start frontend contributions: 352.4 ms [Finished 2.264 s after frontend start]
2025-06-13T09:07:15.474Z root INFO Changed application state from 'init' to 'started_contributions'.
2025-06-13T09:07:15.479Z root INFO Changed application state from 'started_contributions' to 'attached_shell'.
2025-06-13T09:07:15.480Z root INFO >>> Restoring the layout state...
2025-06-13T09:07:15.530Z root INFO [da9c9062-4de8-42f9-af99-0d70efbdcd99] Waiting for backend deployment: 72.4 ms [Finished 2.330 s after frontend start]
2025-06-13T09:07:16.145Z root INFO [hosted-plugin: 11672] PLUGIN_HOST(11672) starting instance
[Object: null prototype] {}
2025-06-13T09:07:16.792Z root INFO [da9c9062-4de8-42f9-af99-0d70efbdcd99] Sync of 23 plugins: 1267.1 ms [Finished 3.598 s after frontend start]
To reproduce
Execute Arduino IDE.exe
Expected behavior
Arduino IDE opened properly.
Arduino IDE version
2.3.6
Operating system
Windows
Operating system version
11
Additional context
No response
Issue checklist
- I searched for previous reports in the issue tracker
- I verified the problem still occurs when using the latest nightly build
- My report contains all necessary details