IDE hangs on startup: "ENOENT: no such file or directory, scandir ..."

Software IDE 2.x
1

I've tried several times to install Arduino IDE and keep having the same problem. According to the output from the power shell, it starts looking for a file in a location that doesn't exist.

Windows PowerShell
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PS C:\Users\kcroo\AppData\Local\Programs\arduino-ide> & ".\Arduino IDE"
PS C:\Users\kcroo\AppData\Local\Programs\arduino-ide>
Arduino IDE 2.2.1
Checking for frontend application configuration customizations. Module path: C:\Users\kcroo\AppData\Local\Programs\arduino-ide\resources\app\lib\backend\electron-main.js, destination 'package.json': C:\Users\kcroo\AppData\Local\Programs\arduino-ide\resources\app\package.json
Setting 'theia.frontend.config.appVersion' application configuration value to: "2.2.1" (type of string)
Setting 'theia.frontend.config.cliVersion' application configuration value to: "0.34.0" (type of string)
Setting 'theia.frontend.config.buildDate' application configuration value to: "2023-08-31T14:35:44.802Z" (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}${appName}","files.autoSave":"afterDelay","editor.minimap.enabled":false,"editor.tabSize":2,"editor.scrollBeyondLastLine":false,"editor.quickSuggestions":{"other":false,"comments":false,"strings":false},"editor.maxTokenizationLineLength":500,"editor.bracketPairColorization.enabled":false,"breadcrumbs.enabled":false,"workbench.tree.renderIndentGuides":"none","explorer.compactFolders":false},"appVersion":"2.2.1","cliVersion":"0.34.0","buildDate":"2023-08-31T14:35:44.802Z"}
Starting backend process. PID: 12908
Using browser-only version of superagent in non-browser environment
Configuration directory URI: 'file:///c%3A/Users/kcroo/.arduinoIDE'
Configuring to accept webviews on '^.+\.webview\..+$' hostname.
2024-02-03T16:25:56.704Z root INFO Backend Object.initialize: 3.4 ms [Finished 0.384 s after backend start]
2024-02-03T16:25:56.707Z root INFO Backend Object.configure: 2.9 ms [Finished 0.384 s after backend start]
2024-02-03T16:25:56.707Z root INFO Backend a.onStart: 1.0 ms [Finished 0.384 s after backend start]
2024-02-03T16:25:56.707Z root INFO Backend a.configure: 0.2 ms [Finished 0.400 s after backend start]
2024-02-03T16:25:56.708Z root INFO Backend u.onStart: 0.2 ms [Finished 0.400 s after backend start]
2024-02-03T16:25:56.709Z root INFO Backend d.configure: 0.1 ms [Finished 0.400 s after backend start]
2024-02-03T16:25:56.710Z root INFO Backend d.initialize: 16.6 ms [Finished 0.401 s after backend start]
2024-02-03T16:25:56.710Z root INFO Backend c.onStart: 0.2 ms [Finished 0.401 s after backend start]
2024-02-03T16:25:56.711Z root INFO Backend s.configure: 2.8 ms [Finished 0.404 s after backend start]
2024-02-03T16:25:56.712Z config INFO >>> Initializing CLI configuration...
2024-02-03T16:25:56.712Z root INFO Backend c.initialize: 0.4 ms [Finished 0.404 s after backend start]
2024-02-03T16:25:56.713Z root INFO Backend P.onStart: 0.7 ms [Finished 0.404 s after backend start]
2024-02-03T16:25:56.713Z config INFO Loading CLI configuration from c:\Users\kcroo\.arduinoIDE\arduino-cli.yaml...
2024-02-03T16:25:56.714Z daemon INFO Starting daemon from C:\Users\kcroo\AppData\Local\Programs\arduino-ide\resources\app\lib\backend\resources\arduino-cli.exe...
2024-02-03T16:25:56.714Z root INFO Backend s.initialize: 0.2 ms [Finished 0.405 s after backend start]
2024-02-03T16:25:56.714Z root INFO Backend w.onStart: 1.0 ms [Finished 0.406 s after backend start]
2024-02-03T16:25:56.715Z root INFO Backend r.configure: 2.2 ms [Finished 0.407 s after backend start]
2024-02-03T16:25:56.715Z discovery-log INFO start
2024-02-03T16:25:56.715Z discovery-log INFO start new deferred
2024-02-03T16:25:56.715Z root INFO Backend d.initialize: 0.3 ms [Finished 0.407 s after backend start]
2024-02-03T16:25:56.715Z root INFO Backend y.onStart: 1.8 ms [Finished 0.409 s after backend start]
2024-02-03T16:25:56.716Z root INFO Backend r.configure: 1.7 ms [Finished 0.409 s after backend start]
2024-02-03T16:25:56.716Z root INFO Backend s.onStart: 0.5 ms [Finished 0.411 s after backend start]
2024-02-03T16:25:56.716Z root INFO Backend h.configure: 0.6 ms [Finished 0.411 s after backend start]
2024-02-03T16:25:56.716Z root INFO Backend a.configure: 0.5 ms [Finished 0.412 s after backend start]
2024-02-03T16:25:56.716Z root INFO Backend s.configure: 0.1 ms [Finished 0.412 s after backend start]
2024-02-03T16:25:56.716Z root INFO Backend l.configure: 0.1 ms [Finished 0.413 s after backend start]
2024-02-03T16:25:56.719Z root INFO Theia app listening on http://localhost:50233.
2024-02-03T16:25:56.719Z root INFO Finished starting backend application: 3.8 ms [Finished 0.415 s after backend start]
2024-02-03T16:25:56.720Z root WARN The local plugin referenced by local-dir:/c%3A/Users/kcroo/.arduinoIDE/plugins does not exist.
2024-02-03T16:25:56.720Z root WARN The local plugin referenced by local-dir:/c%3A/Users/kcroo/.arduinoIDE/extensions does not exist.
2024-02-03T16:25:56.720Z root WARN The local plugin referenced by local-dir:C:\Users\kcroo\.arduinoIDE\plugins does not exist.
2024-02-03T16:25:56.743Z config INFO Loaded CLI configuration: {"board_manager":{"additional_urls":[]},"daemon":{"port":"50051"},"directories":{"data":"C:\\Users\\User\\AppData\\Local\\Arduino15","downloads":"C:\\Users\\User\\AppData\\Local\\Arduino15\\staging","user":"C:\\Users\\User\\Documents\\Arduino"},"library":{"enable_unsafe_install":false},"logging":{"file":"","format":"text","level":"info"},"metrics":{"addr":":9090","enabled":true},"output":{"no_color":false},"sketch":{"always_export_binaries":false},"updater":{"enable_notification":true}}
2024-02-03T16:25:56.744Z config INFO 'directories.data' and 'directories.user' are set in the CLI configuration model.
2024-02-03T16:25:56.744Z config INFO Loaded the CLI configuration.
2024-02-03T16:25:56.799Z config WARN Could not ensure user directory existence: C:\Users\User\Documents\Arduino Error: EPERM: operation not permitted, mkdir 'C:\Users\User'
2024-02-03T16:25:56.800Z config INFO Mapped the CLI configuration: {"dataDirUri":"file:///c%3A/Users/User/AppData/Local/Arduino15","sketchDirUri":"file:///c%3A/Users/User/Documents/Arduino","additionalUrls":[],"network":"none","locale":"en"}
2024-02-03T16:25:56.800Z config INFO Validating the CLI configuration...
2024-02-03T16:25:56.800Z root ERROR Check accessible failed for input: C:\Users\User\Documents\Arduino Error: ENOENT: no such file or directory, scandir 'C:\Users\User\Documents\Arduino'
2024-02-03T16:25:56.800Z config ERROR Failed to initialize the CLI configuration. Error: InvalidConfigError:
 - Could not access the sketchbook location at 'C:\Users\User\Documents\Arduino': Error: ENOENT: no such file or directory, scandir 'C:\Users\User\Documents\Arduino'
    at P.validateCliConfig (C:\Users\kcroo\AppData\Local\Programs\arduino-ide\resources\app\lib\backend\main.js:2:579517)
    at async P.initConfig (C:\Users\kcroo\AppData\Local\Programs\arduino-ide\resources\app\lib\backend\main.js:2:577336)
2024-02-03T16:25:56.814Z root INFO Resolve plugins list: 100.2 ms [Finished 0.510 s after backend start]
2024-02-03T16:25:56.933Z daemon INFO Error: invalid path creating config dir: C:\Users\User\AppData\Local\Arduino15 error: mkdir C:\Users\User: Access is denied.
2024-02-03T16:25:56.933Z daemon ERROR Error: Error: invalid path creating config dir: C:\Users\User\AppData\Local\Arduino15 error: mkdir C:\Users\User: Access is denied.
    at Socket.<anonymous> (C:\Users\kcroo\AppData\Local\Programs\arduino-ide\resources\app\lib\backend\main.js:2:46588)
    at Socket.emit (node:events:513:28)
    at addChunk (node:internal/streams/readable:324:12)
    at readableAddChunk (node:internal/streams/readable:297:9)
    at Readable.push (node:internal/streams/readable:234:10)
    at Pipe.onStreamRead (node:internal/stream_base_commons:190:23)
2024-02-03T16:25:56.933Z daemon INFO Starting daemon from C:\Users\kcroo\AppData\Local\Programs\arduino-ide\resources\app\lib\backend\resources\arduino-cli.exe...
2024-02-03T16:25:56.935Z daemon INFO Daemon exited with exit code: 7.
2024-02-03T16:25:57.123Z daemon INFO Error: invalid path creating config dir: C:\Users\User\AppData\Local\Arduino15 error: mkdir C:\Users\User: Access is denied.
2024-02-03T16:25:57.124Z daemon ERROR Error: Error: invalid path creating config dir: C:\Users\User\AppData\Local\Arduino15 error: mkdir C:\Users\User: Access is denied.
    at Socket.<anonymous> (C:\Users\kcroo\AppData\Local\Programs\arduino-ide\resources\app\lib\backend\main.js:2:46588)
    at Socket.emit (node:events:513:28)
    at addChunk (node:internal/streams/readable:324:12)
    at readableAddChunk (node:internal/streams/readable:297:9)
    at Readable.push (node:internal/streams/readable:234:10)
    at Pipe.onStreamRead (node:internal/stream_base_commons:190:23)
2024-02-03T16:25:57.124Z daemon INFO Starting daemon from C:\Users\kcroo\AppData\Local\Programs\arduino-ide\resources\app\lib\backend\resources\arduino-cli.exe...
2024-02-03T16:25:57.124Z daemon INFO Daemon exited with exit code: 7.
2024-02-03T16:25:57.271Z daemon INFO Error: invalid path creating config dir: C:\Users\User\AppData\Local\Arduino15 error: mkdir C:\Users\User: Access is denied.
2024-02-03T16:25:57.272Z daemon ERROR Error: Error: invalid path creating config dir: C:\Users\User\AppData\Local\Arduino15 error: mkdir C:\Users\User: Access is denied.
    at Socket.<anonymous> (C:\Users\kcroo\AppData\Local\Programs\arduino-ide\resources\app\lib\backend\main.js:2:46588)
    at Socket.emit (node:events:513:28)
    at addChunk (node:internal/streams/readable:324:12)
    at readableAddChunk (node:internal/streams/readable:297:9)
    at Readable.push (node:internal/streams/readable:234:10)
    at Pipe.onStreamRead (node:internal/stream_base_commons:190:23)

The "C:\Users\User" directory doesn't exist on my computer and I cannot figure out how to fix this issue.

Thanks for any creative solutions

2

Hi @kcrook1992.

It looks this was caused by your Windows username changing (from "User" to "kcroo") since the time you installed Arduino IDE.

The first time you run Arduino IDE, it generates a configuration file that defines the paths to several folders used by the IDE. The default locations of these folders are under your home folder, which means the username is part of the path. When you change your username it makes the paths in the configuration file outdated. When the IDE attempts to access the old path, the operating system does not allow it, which causes the startup to hang.

I think the easiest solution will be to simply delete the configuration file. Arduino IDE will automatically generate a new file on startup with the correct paths.

I'll provide instructions:

  1. Select File > Quit from the Arduino IDE menus if it is running.
  2. Delete the file at the following path:
    C:\Users\<username>\.arduinoIDE\arduino-cli.yaml
    (where <username> is your Windows username)
    :warning: Please be careful when deleting things from your computer. When in doubt, back up!
  3. Start Arduino IDE.

Arduino IDE should now start up fully and be functional as usual.

Note that the file you deleted is used to store some of your IDE preferences. These will all have been reset to the default values. If you had customized either the "Sketchbook location" or "Additional Boards Manager URLs" preferences before, you'll need to select File > Preferences... from the Arduino IDE menus and then set those preferences once again after performing the instructions I provided above.

Please let me know if you have any questions or problems while following those instructions.

3

Thanks a lot. That worked! I know I would never have thought of that.

4

You are welcome. I'm glad it is working now.

Regards,
Per

5

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