Arduino IDE 2.3.3 stucked at start

Software IDE 2.x
1

Hello, I'm having problems to start Arduino IDE for the first time on a PC.

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image658×580 8.22 KB

Here is he code from PowerShell when the issue is reproduced:

PS C:\Program Files\Arduino IDE> & ".\Arduino IDE"
PS C:\Program Files\Arduino IDE>
Arduino IDE 2.3.3
Checking for frontend application configuration customizations. Module path: C:\Program Files\Arduino IDE\resources\app\lib\backend\electron-main.js, destination 'package.json': C:\Program Files\Arduino IDE\resources\app\package.json
Setting 'theia.frontend.config.appVersion' application configuration value to: "2.3.3" (type of string)
Setting 'theia.frontend.config.cliVersion' application configuration value to: "1.0.4" (type of string)
Setting 'theia.frontend.config.buildDate' application configuration value to: "2024-09-25T09:41:18.242Z" (type of string)
Frontend application configuration after modifications: {"applicationName":"Arduino IDE","defaultTheme":{"light":"arduino-theme","dark":"arduino-theme-dark"},"defaultIconTheme":"none","electron":{"windowOptions":{}},"defaultLocale":"","validatePreferencesSchema":false,"preferences":{"window.title":"${rootName}${activeEditorShort}${appName}","files.autoSave":"afterDelay","editor.minimap.enabled":false,"editor.tabSize":2,"editor.scrollBeyondLastLine":false,"editor.quickSuggestions":{"other":false,"comments":false,"strings":false},"editor.maxTokenizationLineLength":500,"editor.bracketPairColorization.enabled":false,"breadcrumbs.enabled":false,"workbench.tree.renderIndentGuides":"none","explorer.compactFolders":false},"appVersion":"2.3.3","cliVersion":"1.0.4","buildDate":"2024-09-25T09:41:18.242Z"}
Starting backend process. PID: 10836
Using browser-only version of superagent in non-browser environment
Configuration directory URI: 'file:///c%3A/Users/GZC1TQX/.arduinoIDE'
Configuring to accept webviews on '^.+\.webview\..+$' hostname.
2024-10-11T07:36:26.468Z root INFO Backend Object.initialize: 4.3 ms [Finished 0.531 s after backend start]
2024-10-11T07:36:26.469Z root INFO Backend Object.configure: 3.7 ms [Finished 0.531 s after backend start]
2024-10-11T07:36:26.469Z root INFO Backend a.onStart: 1.7 ms [Finished 0.531 s after backend start]
2024-10-11T07:36:26.470Z root INFO Backend a.configure: 0.3 ms [Finished 0.555 s after backend start]
2024-10-11T07:36:26.470Z root INFO Backend d.onStart: 0.2 ms [Finished 0.555 s after backend start]
2024-10-11T07:36:26.471Z root INFO Backend d.configure: 0.1 ms [Finished 0.555 s after backend start]
2024-10-11T07:36:26.472Z root INFO Backend d.initialize: 23.8 ms [Finished 0.555 s after backend start]
2024-10-11T07:36:26.472Z root INFO Backend c.onStart: 0.2 ms [Finished 0.555 s after backend start]
2024-10-11T07:36:26.472Z root INFO Backend s.configure: 2.1 ms [Finished 0.557 s after backend start]
2024-10-11T07:36:26.474Z config INFO >>> Initializing CLI configuration...
2024-10-11T07:36:26.474Z root INFO Backend c.initialize: 0.4 ms [Finished 0.557 s after backend start]
2024-10-11T07:36:26.474Z root INFO Backend x.onStart: 0.6 ms [Finished 0.558 s after backend start]
2024-10-11T07:36:26.475Z config INFO Loading CLI configuration from c:\Users\GZC1TQX\.arduinoIDE\arduino-cli.yaml...
2024-10-11T07:36:26.475Z daemon INFO Starting daemon from C:\Program Files\Arduino IDE\resources\app\lib\backend\resources\arduino-cli.exe...
2024-10-11T07:36:26.475Z root INFO Backend s.initialize: 0.3 ms [Finished 0.558 s after backend start]
2024-10-11T07:36:26.475Z root INFO Backend w.onStart: 1.1 ms [Finished 0.559 s after backend start]
2024-10-11T07:36:26.475Z root INFO Backend r.configure: 1.7 ms [Finished 0.559 s after backend start]
2024-10-11T07:36:26.475Z discovery-log INFO start
2024-10-11T07:36:26.475Z discovery-log INFO start new deferred
2024-10-11T07:36:26.476Z root INFO Backend d.initialize: 0.4 ms [Finished 0.560 s after backend start]
2024-10-11T07:36:26.476Z root INFO Backend y.onStart: 1.9 ms [Finished 0.561 s after backend start]
2024-10-11T07:36:26.476Z root INFO Backend r.configure: 1.6 ms [Finished 0.562 s after backend start]
2024-10-11T07:36:26.476Z root INFO Backend s.onStart: 0.4 ms [Finished 0.563 s after backend start]
2024-10-11T07:36:26.476Z root INFO Backend h.configure: 0.3 ms [Finished 0.563 s after backend start]
2024-10-11T07:36:26.476Z root INFO Backend a.configure: 0.1 ms [Finished 0.563 s after backend start]
2024-10-11T07:36:26.476Z root INFO Backend l.configure: 0.1 ms [Finished 0.563 s after backend start]
2024-10-11T07:36:26.478Z root INFO Theia app listening on http://127.0.0.1:54512.
2024-10-11T07:36:26.478Z root INFO Finished starting backend application: 2.5 ms [Finished 0.565 s after backend start]
2024-10-11T07:36:26.501Z root WARN The local plugin referenced by local-dir:/c%3A/Users/GZC1TQX/.arduinoIDE/plugins does not exist.
2024-10-11T07:36:26.501Z root WARN The local plugin referenced by local-dir:/c%3A/Users/GZC1TQX/.arduinoIDE/extensions does not exist.
2024-10-11T07:36:26.501Z root WARN The local plugin referenced by local-dir:C:\Users\GZC1TQX\.arduinoIDE\plugins does not exist.
2024-10-11T07:36:26.551Z config INFO Loaded CLI configuration: {"board_manager":{"additional_urls":[]}}
2024-10-11T07:36:26.551Z config INFO Loading fallback CLI configuration to get 'directories.data' and 'directories.user'
2024-10-11T07:36:26.580Z root INFO Resolve plugins list: 105.3 ms [Finished 0.667 s after backend start]
2024-10-11T07:36:26.736Z daemon INFO time="2024-10-11T09:36:26+02:00" level=info msg="arduino-cli version 1.0.4"
time="2024-10-11T09:36:26+02:00" level=info msg="Using config file: c:\\Users\\GZC1TQX\\.arduinoIDE\\arduino-cli.yaml"
time="2024-10-11T09:36:26+02:00" level=info msg="Executing `arduino-cli daemon`"
Daemon is now listening on 127.0.0.1:54514
{"IP":"127.0.0.1","Port":"54514"}
2024-10-11T07:36:26.737Z daemon INFO Daemon is running.
2024-10-11T07:36:26.760Z daemon INFO time="2024-10-11T09:36:26+02:00" level=info msg="Starting download" url="https://downloads.arduino.cc/libraries/library_index.tar.bz2"
2024-10-11T07:36:26.769Z config INFO Loaded fallback CLI configuration: {"directories":{"user":"C:\\Users\\GZC1TQX\\Documents\\Arduino","data":"C:\\Users\\GZC1TQX\\AppData\\Local\\Arduino15"}}
2024-10-11T07:36:26.769Z config INFO Merged CLI configuration with the fallback: {"directories":{"user":"C:\\Users\\GZC1TQX\\Documents\\Arduino","data":"C:\\Users\\GZC1TQX\\AppData\\Local\\Arduino15"},"board_manager":{"additional_urls":[]}}
2024-10-11T07:36:26.770Z config INFO Loaded the CLI configuration.
2024-10-11T07:36:26.803Z config INFO Mapped the CLI configuration: {"dataDirUri":"file:///c%3A/Users/GZC1TQX/AppData/Local/Arduino15","sketchDirUri":"file:///c%3A/Users/GZC1TQX/Documents/Arduino","additionalUrls":[],"network":"none","locale":"en"}
2024-10-11T07:36:26.803Z config INFO Validating the CLI configuration...
2024-10-11T07:36:26.803Z config INFO The CLI config is valid.
2024-10-11T07:36:26.803Z config INFO <<< Initialized the CLI configuration.
2024-10-11T07:36:27.405Z root INFO Deploy plugins list: 105.3 ms [Finished 1.492 s after backend start]
Opening channel for service path '/services/electron-window'.
Opening channel for service path '/services/ide-updater'.
2024-10-11T07:36:28.296Z root WARN Frontend a.configure took longer than the expected maximum 100 milliseconds: 141.0 ms [Finished 1.714 s after frontend start]
2024-10-11T07:36:28.296Z root WARN A command editor.action.toggleStickyScroll is already registered.
[18604:1011/093628.382:ERROR:accelerator_util.cc(24)] The accelerator string can only contain ASCII characters, invalid string: "Ctrl+ç"
2

The last line is the specific error, no non ascii values are allowed.
What is the foowing?
//c%3A/U

3

It is a fragment of a URI-encoded path. It will make more sense if you look at the full line from the logs instead of an arbitrary subset of characters:

https://en.wikipedia.org/wiki/Percent-encoding#Reserved_characters

Note that %3A is the percent encoding for the character :. That character is reserved for use in URIs so it must be encoded where it occurs incidentally in a URI (as opposed to the reserved usage as the scheme delimiter component of the URI.

The presence of this type of URI in the Arduino IDE 2.x logs is normal and you will see it in the logs on your own computer if you start Arduino IDE from the terminal.