Arduino IDE is stuck in the loading screen

tegra1 · February 6, 2025, 7:32pm

My arduino IDE is stuck in the loading screen, this its the log i got

Arduino IDE 2.3.4
Checking for frontend application configuration customizations. Module path: C:\Users\marco\AppData\Local\Programs\Arduino IDE\resources\app\lib\backend\electron-main.js, destination 'package.json': C:\Users\marco\AppData\Local\Programs\Arduino IDE\resources\app\package.json
Setting 'theia.frontend.config.appVersion' application configuration value to: "2.3.4" (type of string)
Setting 'theia.frontend.config.cliVersion' application configuration value to: "1.1.1" (type of string)
Setting 'theia.frontend.config.buildDate' application configuration value to: "2024-12-03T10:03:03.490Z" (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}${appName}","files.autoSave":"afterDelay","editor.minimap.enabled":false,"editor.tabSize":2,"editor.scrollBeyondLastLine":false,"editor.quickSuggestions":{"other":false,"comments":false,"strings":false},"editor.maxTokenizationLineLength":500,"editor.bracketPairColorization.enabled":false,"breadcrumbs.enabled":false,"workbench.tree.renderIndentGuides":"none","explorer.compactFolders":false},"appVersion":"2.3.4","cliVersion":"1.1.1","buildDate":"2024-12-03T10:03:03.490Z"}
Starting backend process. PID: 18744
Using browser-only version of superagent in non-browser environment
Configuration directory URI: 'file:///c%3A/Users/marco/.arduinoIDE'
Configuring to accept webviews on '^.+\.webview\..+$' hostname.
2025-02-06T18:27:40.458Z root INFO Backend Object.initialize: 3.1 ms [Finished 0.438 s after backend start]
2025-02-06T18:27:40.459Z root INFO Backend Object.configure: 2.6 ms [Finished 0.438 s after backend start]
2025-02-06T18:27:40.459Z root INFO Backend s.onStart: 1.3 ms [Finished 0.438 s after backend start]
2025-02-06T18:27:40.459Z root INFO Backend s.configure: 0.3 ms [Finished 0.456 s after backend start]
2025-02-06T18:27:40.460Z root INFO Backend d.onStart: 0.2 ms [Finished 0.456 s after backend start]
2025-02-06T18:27:40.460Z root INFO Backend d.configure: 0.1 ms [Finished 0.456 s after backend start]
2025-02-06T18:27:40.461Z root INFO Backend d.initialize: 18.2 ms [Finished 0.456 s after backend start]
2025-02-06T18:27:40.461Z root INFO Backend c.onStart: 0.2 ms [Finished 0.456 s after backend start]
2025-02-06T18:27:40.461Z root INFO Backend a.configure: 1.0 ms [Finished 0.457 s after backend start]
2025-02-06T18:27:40.464Z config INFO >>> Initializing CLI configuration...
2025-02-06T18:27:40.464Z root INFO Backend c.initialize: 0.4 ms [Finished 0.458 s after backend start]
2025-02-06T18:27:40.464Z root INFO Backend x.onStart: 0.5 ms [Finished 0.458 s after backend start]
2025-02-06T18:27:40.464Z config INFO Loading CLI configuration from c:\Users\marco\.arduinoIDE\arduino-cli.yaml...
2025-02-06T18:27:40.464Z daemon INFO Starting daemon from C:\Users\marco\AppData\Local\Programs\Arduino IDE\resources\app\lib\backend\resources\arduino-cli.exe...
2025-02-06T18:27:40.465Z root INFO Backend a.initialize: 0.3 ms [Finished 0.459 s after backend start]
2025-02-06T18:27:40.465Z root INFO Backend w.onStart: 0.8 ms [Finished 0.459 s after backend start]
2025-02-06T18:27:40.465Z root INFO Backend r.configure: 1.3 ms [Finished 0.459 s after backend start]
2025-02-06T18:27:40.465Z discovery-log INFO start
2025-02-06T18:27:40.465Z discovery-log INFO start new deferred
2025-02-06T18:27:40.465Z root INFO Backend d.initialize: 0.3 ms [Finished 0.460 s after backend start]
2025-02-06T18:27:40.465Z root INFO Backend y.onStart: 2.4 ms [Finished 0.462 s after backend start]
2025-02-06T18:27:40.465Z root INFO Backend r.configure: 2.2 ms [Finished 0.462 s after backend start]
2025-02-06T18:27:40.465Z root INFO Backend a.onStart: 0.3 ms [Finished 0.463 s after backend start]
2025-02-06T18:27:40.465Z root INFO Backend h.configure: 0.3 ms [Finished 0.463 s after backend start]
2025-02-06T18:27:40.465Z root INFO Backend s.configure: 0.1 ms [Finished 0.463 s after backend start]
2025-02-06T18:27:40.465Z root INFO Backend l.configure: 0.0 ms [Finished 0.463 s after backend start]
2025-02-06T18:27:40.467Z root INFO Theia app listening on http://127.0.0.1:55269.
2025-02-06T18:27:40.467Z root INFO Finished starting backend application: 2.4 ms [Finished 0.465 s after backend start]
2025-02-06T18:27:40.473Z root WARN The local plugin referenced by local-dir:/c%3A/Users/marco/.arduinoIDE/plugins does not exist.
2025-02-06T18:27:40.473Z root WARN The local plugin referenced by local-dir:/c%3A/Users/marco/.arduinoIDE/extensions does not exist.
2025-02-06T18:27:40.473Z root WARN The local plugin referenced by local-dir:C:\Users\marco\.arduinoIDE\plugins does not exist.
2025-02-06T18:27:40.485Z config INFO Loaded CLI configuration: {"board_manager":{"additional_urls":[]}}
2025-02-06T18:27:40.485Z config INFO Loading fallback CLI configuration to get 'directories.data' and 'directories.user'
2025-02-06T18:27:40.504Z root INFO Resolve plugins list: 39.9 ms [Finished 0.502 s after backend start]
2025-02-06T18:27:40.579Z daemon INFO time="2025-02-06T19:27:40+01:00" level=info msg="arduino-cli version 1.1.1"
time="2025-02-06T19:27:40+01:00" level=info msg="Using config file: c:\\Users\\marco\\.arduinoIDE\\arduino-cli.yaml"
time="2025-02-06T19:27:40+01:00" level=info msg="Executing `arduino-cli daemon`"
Deamon è ora in ascolto su 127.0.0.1:55270
{"IP":"127.0.0.1","Port":"55270"}
2025-02-06T18:27:40.579Z daemon INFO Daemon is running.
2025-02-06T18:27:40.611Z config INFO Loaded fallback CLI configuration: {"directories":{"user":"C:\\Users\\marco\\OneDrive\\Documents\\Arduino","data":"C:\\Users\\marco\\AppData\\Local\\Arduino15"}}
2025-02-06T18:27:40.611Z config INFO Merged CLI configuration with the fallback: {"directories":{"user":"C:\\Users\\marco\\OneDrive\\Documents\\Arduino","data":"C:\\Users\\marco\\AppData\\Local\\Arduino15"},"board_manager":{"additional_urls":[]}}
2025-02-06T18:27:40.611Z config INFO Loaded the CLI configuration.
2025-02-06T18:27:40.613Z config INFO Mapped the CLI configuration: {"dataDirUri":"file:///c%3A/Users/marco/AppData/Local/Arduino15","sketchDirUri":"file:///c%3A/Users/marco/OneDrive/Documents/Arduino","additionalUrls":[],"network":"none","locale":"en"}
2025-02-06T18:27:40.613Z config INFO Validating the CLI configuration...
2025-02-06T18:27:40.615Z config INFO The CLI config is valid.
2025-02-06T18:27:40.615Z config INFO <<< Initialized the CLI configuration.
2025-02-06T18:27:40.625Z daemon INFO time="2025-02-06T19:27:40+01:00" level=info msg="Starting download" url="https://downloads.arduino.cc/libraries/library_index.tar.bz2"
2025-02-06T18:27:41.035Z root INFO Deploy plugins list: 39.9 ms [Finished 1.034 s after backend start]
Opening channel for service path '/services/electron-window'.
Opening channel for service path '/services/ide-updater'.
2025-02-06T18:27:41.822Z root WARN A command editor.action.toggleStickyScroll is already registered.
[19132:0206/192741.884:ERROR:accelerator_util.cc(24)] The accelerator string can only contain ASCII characters, invalid string: "Ctrl+ù"
2025-02-06T18:27:44.645Z root ERROR Detected an error response during the gRPC core client initialization: code: 3, message: Si è verificato un errore durante la verifica della firma: la firma è scaduta: l'orologio del tuo sistema è impostato correttamente?
2025-02-06T18:27:44.652Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Checking signature" index="C:\\Users\\marco\\AppData\\Local\\Arduino15\\package_index.json" signatureFile="C:\\Users\\marco\\AppData\\Local\\Arduino15\\package_index.json.sig" trusted=true
2025-02-06T18:27:44.652Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Loading hardware from: C:\\Users\\marco\\AppData\\Local\\Arduino15\\packages"
2025-02-06T18:27:44.653Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Loading package builtin from: C:\\Users\\marco\\AppData\\Local\\Arduino15\\packages\\builtin"
2025-02-06T18:27:44.653Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Checking existence of 'tools' path: C:\\Users\\marco\\AppData\\Local\\Arduino15\\packages\\builtin\\tools"
time="2025-02-06T19:27:44+01:00" level=info msg="Loading tools from dir: C:\\Users\\marco\\AppData\\Local\\Arduino15\\packages\\builtin\\tools"
2025-02-06T18:27:44.654Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Loaded tool" tool="builtin:ctags@5.8-arduino11"
2025-02-06T18:27:44.654Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Loaded tool" tool="builtin:dfu-discovery@0.1.2"
2025-02-06T18:27:44.654Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Loaded tool" tool="builtin:mdns-discovery@1.0.9"
2025-02-06T18:27:44.654Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Loaded tool" tool="builtin:serial-discovery@1.4.1"
2025-02-06T18:27:44.654Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Loaded tool" tool="builtin:serial-monitor@0.14.1"
2025-02-06T18:27:44.662Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Loading libraries index file" index="C:\\Users\\marco\\AppData\\Local\\Arduino15\\library_index.json"
2025-02-06T18:27:44.663Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Adding libraries dir" dir="C:\\Users\\marco\\AppData\\Local\\Arduino15\\libraries" isSingleLibrary=false location=ide
2025-02-06T18:27:44.663Z root ERROR Detected an error response during the gRPC core client initialization: code: 9, message: Sto caricando il file dell'indice: lettura di library_index.json: open C:\Users\marco\AppData\Local\Arduino15\library_index.json: Impossibile trovare il file specificato.
2025-02-06T18:27:44.663Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Adding libraries dir" dir="C:\\Users\\marco\\OneDrive\\Documents\\Arduino\\libraries" isSingleLibrary=false location=user
2025-02-06T18:27:44.666Z root ERROR The primary packages indexes are missing. Running indexes update before initializing the core gRPC client 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: Sto caricando il file dell'indice: lettura di library_index.json: open C:\Users\marco\AppData\Local\Arduino15\library_index.json: Impossibile trovare il file specificato.

2025-02-06T18:27:44.667Z daemon INFO time="2025-02-06T19:27:44+01:00" level=info msg="Starting download" url="https://downloads.arduino.cc/libraries/library_index.tar.bz2"
2025-02-06T18:27:44.668Z root INFO core-client-provider [library-index] Sto scaricando l'indice: library_index.tar.bz2

2025-02-06T18:27:48.307Z daemon INFO time="2025-02-06T19:27:48+01:00" level=info msg="Starting download" url="https://downloads.arduino.cc/libraries/library_index.tar.bz2"
2025-02-06T18:27:51.593Z root ERROR Detected an error response during the gRPC core client initialization: code: 3, message: Si è verificato un errore durante la verifica della firma: la firma è scaduta: l'orologio del tuo sistema è impostato correttamente?
2025-02-06T18:27:51.600Z daemon INFO time="2025-02-06T19:27:51+01:00" level=info msg="Checking signature" index="C:\\Users\\marco\\AppData\\Local\\Arduino15\\package_index.json" signatureFile="C:\\Users\\marco\\AppData\\Local\\Arduino15\\package_index.json.sig" trusted=true
2025-02-06T18:27:51.600Z daemon INFO time="2025-02-06T19:27:51+01:00" level=info msg="Loading hardware from: C:\\Users\\marco\\AppData\\Local\\Arduino15\\packages"
2025-02-06T18:27:51.601Z daemon INFO time="2025-02-06T19:27:51+01:00" level=info msg="Loading package builtin from: C:\\Users\\marco\\AppData\\Local\\Arduino15\\packages\\builtin"
2025-02-06T18:27:51.601Z daemon INFO time="2025-02-06T19:27:51+01:00" level=info msg="Checking existence of 'tools' path: C:\\Users\\marco\\AppData\\Local\\Arduino15\\packages\\builtin\\tools"
time="2025-02-06T19:27:51+01:00" level=info msg="Loading tools from dir: C:\\Users\\marco\\AppData\\Local\\Arduino15\\packages\\builtin\\tools"
2025-02-06T18:27:51.601Z daemon INFO time="2025-02-06T19:27:51+01:00" level=info msg="Loaded tool" tool="builtin:ctags@5.8-arduino11"
2025-02-06T18:27:51.601Z daemon INFO time="2025-02-06T19:27:51+01:00" level=info msg="Loaded tool" tool="builtin:dfu-discovery@0.1.2"
2025-02-06T18:27:51.602Z daemon INFO time="2025-02-06T19:27:51+01:00" level=info msg="Loaded tool" tool="builtin:mdns-discovery@1.0.9"
2025-02-06T18:27:51.602Z daemon INFO time="2025-02-06T19:27:51+01:00" level=info msg="Loaded tool" tool="builtin:serial-discovery@1.4.1"
2025-02-06T18:27:51.602Z daemon INFO time="2025-02-06T19:27:51+01:00" level=info msg="Loaded tool" tool="builtin:serial-monitor@0.14.1"
2025-02-06T18:27:51.610Z daemon INFO time="2025-02-06T19:27:51+01:00" level=info msg="Loading libraries index file" index="C:\\Users\\marco\\AppData\\Local\\Arduino15\\library_index.json"
2025-02-06T18:27:51.610Z daemon INFO time="2025-02-06T19:27:51+01:00" level=info msg="Adding libraries dir" dir="C:\\Users\\marco\\AppData\\Local\\Arduino15\\libraries" isSingleLibrary=false location=ide
2025-02-06T18:27:51.610Z root ERROR Detected an error response during the gRPC core client initialization: code: 9, message: Sto caricando il file dell'indice: lettura di library_index.json: open C:\Users\marco\AppData\Local\Arduino15\library_index.json: Impossibile trovare il file specificato.
2025-02-06T18:27:51.610Z daemon INFO time="2025-02-06T19:27:51+01:00" level=info msg="Adding libraries dir" dir="C:\\Users\\marco\\OneDrive\\Documents\\Arduino\\libraries" isSingleLibrary=false location=user
2025-02-06T18:27:51.610Z root ERROR Uncaught Exception:  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: Sto caricando il file dell'indice: lettura di library_index.json: open C:\Users\marco\AppData\Local\Arduino15\library_index.json: Impossibile trovare il file specificato.

2025-02-06T18:27:51.610Z 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: Sto caricando il file dell'indice: lettura di library_index.json: open C:\Users\marco\AppData\Local\Arduino15\library_index.json: Impossibile trovare il file specificato.

    at C:\Users\marco\AppData\Local\Programs\Arduino IDE\resources\app\lib\backend\main.js:2:777546
    at v.evaluateErrorStatus (C:\Users\marco\AppData\Local\Programs\Arduino IDE\resources\app\lib\backend\main.js:2:777562)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async a.<anonymous> (C:\Users\marco\AppData\Local\Programs\Arduino IDE\resources\app\lib\backend\main.js:2:777232)

sterretje · February 6, 2025, 8:02pm

Your system time seems to be incorrect.

protovtol · February 7, 2025, 8:22am

This is due to some Windows 11 security issue.

Much has been commented about this. Please search for similar posts.

I had this problem too when I first installed W11. MS, the monopoly that it is, by default gives you a remote user account in their cloud without telling you, when installing W11. So I created a new local account, and reinstalled IDE 2.3.4, and the problem went away.

sterretje · February 7, 2025, 8:31am

tegra1:

2025-02-06T18:27:44.645Z root ERROR Detected an error response during the gRPC core client initialization: code: 3, message: Si è verificato un errore durante la verifica della firma: la firma è scaduta: l'orologio del tuo sistema è impostato correttamente?

This is the actual error. I could not post it yesterday because I was using a phone.

ptillisch · February 8, 2025, 2:03pm

Hi @tegra1. As was mentioned already by @sterretje, the cause of the problem is that your system time is incorrect. You can fix it by syncing the system time. I'll provide instructions you can follow to do that:

Right click the Windows Start icon (⊞) on the taskbar.
A context menu will open.
Select "Settings" from the context menu.
Windows "Settings" will open.
Select "Time & language" from the navigation panel on the left side of the window.
Select "Date & time" from the list at the right side of the Settings window.
The "Date & time" settings section will expand.
Click the "Sync now" button that is located under the "Additional settings" section of the window.
Wait for the syncing process to finish.
Close any Arduino IDE windows that are open.
Start Arduino IDE again, as usual.
ⓘ It is not required to start the IDE from the PowerShell terminal this time.

This time Arduino IDE should start up fully and work as expected.

system · August 7, 2025, 2:03pm

This topic was automatically closed 180 days after the last reply. New replies are no longer allowed.

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