Ive seen other ppl with this problem and followed the steps that fixed it for them, but it has not worked for me.
below is the power shell report
Windows PowerShell
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PS C:\Program Files\Arduino IDE> & ".\Arduino IDE"
PS C:\Program Files\Arduino IDE> Arduino IDE 2.3.2
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: "2.3.2" (type of string)
Setting 'theia.frontend.config.cliVersion' application configuration value to: "0.35.3" (type of string)
Setting 'theia.frontend.config.buildDate' application configuration value to: "2024-02-20T10:04:35.814Z" (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}${appName}","files.autoSave":"afterDelay","editor.minimap.enabled":false,"editor.tabSize":2,"editor.scrollBeyondLastLine":false,"editor.quickSuggestions":{"other":false,"comments":false,"strings":false},"editor.maxTokenizationLineLength":500,"editor.bracketPairColorization.enabled":false,"breadcrumbs.enabled":false,"workbench.tree.renderIndentGuides":"none","explorer.compactFolders":false},"appVersion":"2.3.2","cliVersion":"0.35.3","buildDate":"2024-02-20T10:04:35.814Z"}
Starting backend process. PID: 17816
Using browser-only version of superagent in non-browser environment
Configuration directory URI: 'file:///c%3A/Users/noahb/.arduinoIDE'
Configuring to accept webviews on '^.+\.webview\..+$' hostname.
2024-05-04T08:32:31.270Z root INFO Backend Object.initialize: 3.7 ms [Finished 0.421 s after backend start]
2024-05-04T08:32:31.272Z root INFO Backend Object.configure: 3.1 ms [Finished 0.422 s after backend start]
2024-05-04T08:32:31.272Z root INFO Backend s.onStart: 1.4 ms [Finished 0.422 s after backend start]
2024-05-04T08:32:31.272Z root INFO Backend s.configure: 0.3 ms [Finished 0.442 s after backend start]
2024-05-04T08:32:31.273Z root INFO Backend d.onStart: 0.2 ms [Finished 0.442 s after backend start]
2024-05-04T08:32:31.273Z root INFO Backend d.configure: 0.1 ms [Finished 0.442 s after backend start]
2024-05-04T08:32:31.274Z root INFO Backend d.initialize: 20.6 ms [Finished 0.443 s after backend start]
2024-05-04T08:32:31.274Z root INFO Backend c.onStart: 0.2 ms [Finished 0.443 s after backend start]
2024-05-04T08:32:31.275Z root INFO Backend a.configure: 1.8 ms [Finished 0.444 s after backend start]
2024-05-04T08:32:31.276Z config INFO >>> Initializing CLI configuration...
2024-05-04T08:32:31.276Z root INFO Backend c.initialize: 0.4 ms [Finished 0.445 s after backend start]
2024-05-04T08:32:31.277Z root INFO Backend R.onStart: 0.6 ms [Finished 0.445 s after backend start]
2024-05-04T08:32:31.277Z config INFO Loading CLI configuration from c:\Users\noahb\.arduinoIDE\arduino-cli.yaml...
2024-05-04T08:32:31.277Z daemon INFO Starting daemon from C:\Program Files\Arduino IDE\resources\app\lib\backend\resources\arduino-cli.exe...
2024-05-04T08:32:31.277Z root INFO Backend a.initialize: 0.3 ms [Finished 0.446 s after backend start]
2024-05-04T08:32:31.277Z root INFO Backend w.onStart: 1.2 ms [Finished 0.447 s after backend start]
2024-05-04T08:32:31.277Z root INFO Backend r.configure: 1.9 ms [Finished 0.447 s after backend start]
2024-05-04T08:32:31.278Z discovery-log INFO start
2024-05-04T08:32:31.278Z discovery-log INFO start new deferred
2024-05-04T08:32:31.278Z root INFO Backend d.initialize: 0.5 ms [Finished 0.448 s after backend start]
2024-05-04T08:32:31.278Z root INFO Backend y.onStart: 1.9 ms [Finished 0.449 s after backend start]
2024-05-04T08:32:31.278Z root INFO Backend r.configure: 1.4 ms [Finished 0.449 s after backend start]
2024-05-04T08:32:31.278Z root INFO Backend a.onStart: 0.4 ms [Finished 0.450 s after backend start]
2024-05-04T08:32:31.278Z root INFO Backend h.configure: 0.3 ms [Finished 0.450 s after backend start]
2024-05-04T08:32:31.278Z root INFO Backend s.configure: 0.1 ms [Finished 0.450 s after backend start]
2024-05-04T08:32:31.278Z root INFO Backend l.configure: 0.0 ms [Finished 0.450 s after backend start]
2024-05-04T08:32:31.280Z root INFO Theia app listening on http://127.0.0.1:51744.
2024-05-04T08:32:31.280Z root INFO Finished starting backend application: 2.1 ms [Finished 0.452 s after backend start]
2024-05-04T08:32:31.425Z root WARN The local plugin referenced by local-dir:/c%3A/Users/noahb/.arduinoIDE/plugins does not exist.
2024-05-04T08:32:31.425Z root WARN The local plugin referenced by local-dir:/c%3A/Users/noahb/.arduinoIDE/extensions does not exist.
2024-05-04T08:32:31.425Z root WARN The local plugin referenced by local-dir:C:\Users\noahb\.arduinoIDE\plugins does not exist.
2024-05-04T08:32:31.428Z config INFO Loaded CLI configuration: {"board_manager":{"additional_urls":[]},"build_cache":{"compilations_before_purge":10,"ttl":"720h0m0s"},"daemon":{"port":"50051"},"directories":{"data":"C:\\Users\\noahb\\AppData\\Local\\Arduino15","downloads":"C:\\Users\\noahb\\AppData\\Local\\Arduino15\\staging","user":"C:\\Users\\noahb\\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}}
2024-05-04T08:32:31.428Z config INFO 'directories.data' and 'directories.user' are set in the CLI configuration model.
2024-05-04T08:32:31.428Z config INFO Loaded the CLI configuration.
2024-05-04T08:32:31.431Z config INFO Mapped the CLI configuration: {"dataDirUri":"file:///c%3A/Users/noahb/AppData/Local/Arduino15","sketchDirUri":"file:///c%3A/Users/noahb/Documents/Arduino","additionalUrls":[],"network":"none","locale":"en"}
2024-05-04T08:32:31.431Z config INFO Validating the CLI configuration...
2024-05-04T08:32:31.432Z config INFO The CLI config is valid.
2024-05-04T08:32:31.432Z config INFO <<< Initialized the CLI configuration.
2024-05-04T08:32:31.451Z root INFO Resolve plugins list: 174.3 ms [Finished 0.623 s after backend start]
2024-05-04T08:32:31.515Z daemon INFO time="2024-05-04T13:32:31+05:00" level=info msg="Using config file: c:\\Users\\noahb\\.arduinoIDE\\arduino-cli.yaml"
time="2024-05-04T13:32:31+05:00" level=info msg="arduino-cli.exe version 0.35.3"
time="2024-05-04T13:32:31+05:00" level=info msg="Executing `arduino-cli daemon`"
Daemon is now listening on 127.0.0.1:51745
{"IP":"127.0.0.1","Port":"51745"}
2024-05-04T08:32:31.515Z daemon INFO Daemon is running.
2024-05-04T08:32:31.546Z daemon INFO time="2024-05-04T13:32:31+05:00" level=info msg="Updating libraries index"
2024-05-04T08:32:31.548Z daemon INFO time="2024-05-04T13:32:31+05:00" level=info msg="Starting download" url="https://downloads.arduino.cc/libraries/library_index.tar.bz2"
2024-05-04T08:32:32.139Z root INFO Deploy plugins list: 174.3 ms [Finished 1.312 s after backend start]
Opening channel for service path '/services/electron-window'.
Opening channel for service path '/services/ide-updater'.
2024-05-04T08:32:33.968Z root ERROR Detected an error response during the gRPC core client initialization: code: 3, message: Error verifying signature: openpgp: signature expired
2024-05-04T08:32:33.968Z root ERROR Detected an error response during the gRPC core client initialization: code: 9, message: Loading index file: reading library_index.json: open C:\Users\noahb\AppData\Local\Arduino15\library_index.json: The system cannot find the file specified.
2024-05-04T08:32:33.971Z 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: Loading index file: reading library_index.json: open C:\Users\noahb\AppData\Local\Arduino15\library_index.json: The system cannot find the file specified.
2024-05-04T08:32:33.972Z daemon INFO time="2024-05-04T13:32:33+05:00" level=info msg="Checking signature" index="C:\\Users\\noahb\\AppData\\Local\\Arduino15\\package_index.json" signatureFile="C:\\Users\\noahb\\AppData\\Local\\Arduino15\\package_index.json.sig" trusted=true
time="2024-05-04T13:32:33+05:00" level=info msg="Loading hardware from: C:\\Users\\noahb\\AppData\\Local\\Arduino15\\packages"
time="2024-05-04T13:32:33+05:00" level=info msg="Loading package builtin from: C:\\Users\\noahb\\AppData\\Local\\Arduino15\\packages\\builtin"
time="2024-05-04T13:32:33+05:00" level=info msg="Checking existence of 'tools' path: C:\\Users\\noahb\\AppData\\Local\\Arduino15\\packages\\builtin\\tools"
time="2024-05-04T13:32:33+05:00" level=info msg="Loading tools from dir: C:\\Users\\noahb\\AppData\\Local\\Arduino15\\packages\\builtin\\tools"
time="2024-05-04T13:32:33+05:00" level=info msg="Loaded tool" tool="builtin:ctags@5.8-arduino11"
time="2024-05-04T13:32:33+05:00" level=info msg="Loaded tool" tool="builtin:dfu-discovery@0.1.2"
time="2024-05-04T13:32:33+05:00" level=info msg="Loaded tool" tool="builtin:mdns-discovery@1.0.9"
time="2024-05-04T13:32:33+05:00" level=info msg="Loaded tool" tool="builtin:serial-discovery@1.4.0"
time="2024-05-04T13:32:33+05:00" level=info msg="Loaded tool" tool="builtin:serial-monitor@0.14.1"
time="2024-05-04T13:32:33+05:00" level=info msg="Loading libraries index file" index="C:\\Users\\noahb\\AppData\\Local\\Arduino15\\library_index.json"
time="2024-05-04T13:32:33+05:00" level=info msg="Adding libraries dir" dir="C:\\Users\\noahb\\AppData\\Local\\Arduino15\\libraries" location=ide
time="2024-05-04T13:32:33+05:00" level=info msg="Adding libraries dir" dir="C:\\Users\\noahb\\Documents\\Arduino\\libraries" location=user
2024-05-04T08:32:33.975Z root INFO core-client-provider [library-index] Downloading index: library_index.tar.bz2
2024-05-04T08:32:33.975Z daemon INFO time="2024-05-04T13:32:33+05:00" level=info msg="Updating libraries index"
time="2024-05-04T13:32:33+05:00" level=info msg="Starting download" url="https://downloads.arduino.cc/libraries/library_index.tar.bz2"
2024-05-04T08:32:34.019Z root WARN Frontend a.configure took longer than the expected maximum 100 milliseconds: 697.1 ms [Finished 2.546 s after frontend start]
2024-05-04T08:32:34.023Z root WARN A command editor.action.toggleStickyScroll is already registered.
2024-05-04T08:32:35.641Z daemon INFO time="2024-05-04T13:32:35+05:00" level=info msg="Updating libraries index"
2024-05-04T08:32:35.642Z daemon INFO time="2024-05-04T13:32:35+05:00" level=info msg="Starting download" url="https://downloads.arduino.cc/libraries/library_index.tar.bz2"
2024-05-04T08:32:37.682Z root ERROR Detected an error response during the gRPC core client initialization: code: 3, message: Error verifying signature: openpgp: signature expired
2024-05-04T08:32:37.691Z daemon INFO time="2024-05-04T13:32:37+05:00" level=info msg="Checking signature" index="C:\\Users\\noahb\\AppData\\Local\\Arduino15\\package_index.json" signatureFile="C:\\Users\\noahb\\AppData\\Local\\Arduino15\\package_index.json.sig" trusted=true
2024-05-04T08:32:37.692Z daemon INFO time="2024-05-04T13:32:37+05:00" level=info msg="Loading hardware from: C:\\Users\\noahb\\AppData\\Local\\Arduino15\\packages"
2024-05-04T08:32:37.692Z daemon INFO time="2024-05-04T13:32:37+05:00" level=info msg="Loading package builtin from: C:\\Users\\noahb\\AppData\\Local\\Arduino15\\packages\\builtin"
2024-05-04T08:32:37.692Z daemon INFO time="2024-05-04T13:32:37+05:00" level=info msg="Checking existence of 'tools' path: C:\\Users\\noahb\\AppData\\Local\\Arduino15\\packages\\builtin\\tools"
time="2024-05-04T13:32:37+05:00" level=info msg="Loading tools from dir: C:\\Users\\noahb\\AppData\\Local\\Arduino15\\packages\\builtin\\tools"
2024-05-04T08:32:37.693Z daemon INFO time="2024-05-04T13:32:37+05:00" level=info msg="Loaded tool" tool="builtin:ctags@5.8-arduino11"
2024-05-04T08:32:37.693Z daemon INFO time="2024-05-04T13:32:37+05:00" level=info msg="Loaded tool" tool="builtin:dfu-discovery@0.1.2"
2024-05-04T08:32:37.693Z daemon INFO time="2024-05-04T13:32:37+05:00" level=info msg="Loaded tool" tool="builtin:mdns-discovery@1.0.9"
2024-05-04T08:32:37.693Z daemon INFO time="2024-05-04T13:32:37+05:00" level=info msg="Loaded tool" tool="builtin:serial-discovery@1.4.0"
2024-05-04T08:32:37.693Z daemon INFO time="2024-05-04T13:32:37+05:00" level=info msg="Loaded tool" tool="builtin:serial-monitor@0.14.1"
2024-05-04T08:32:37.693Z daemon INFO time="2024-05-04T13:32:37+05:00" level=info msg="Loading libraries index file" index="C:\\Users\\noahb\\AppData\\Local\\Arduino15\\library_index.json"
2024-05-04T08:32:37.694Z daemon INFO time="2024-05-04T13:32:37+05:00" level=info msg="Adding libraries dir" dir="C:\\Users\\noahb\\AppData\\Local\\Arduino15\\libraries" location=ide
2024-05-04T08:32:37.694Z root ERROR Detected an error response during the gRPC core client initialization: code: 9, message: Loading index file: reading library_index.json: open C:\Users\noahb\AppData\Local\Arduino15\library_index.json: The system cannot find the file specified.
2024-05-04T08:32:37.694Z daemon INFO time="2024-05-04T13:32:37+05:00" level=info msg="Adding libraries dir" dir="C:\\Users\\noahb\\Documents\\Arduino\\libraries" location=user
2024-05-04T08:32:37.695Z 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: Loading index file: reading library_index.json: open C:\Users\noahb\AppData\Local\Arduino15\library_index.json: The system cannot find the file specified.
2024-05-04T08:32:37.695Z 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\noahb\AppData\Local\Arduino15\library_index.json: The system cannot find the file specified.
at C:\Program Files\Arduino IDE\resources\app\lib\backend\main.js:2:622877
at E.evaluateErrorStatus (C:\Program Files\Arduino IDE\resources\app\lib\backend\main.js:2:622893)
at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
at async a.<anonymous> (C:\Program Files\Arduino IDE\resources\app\lib\backend\main.js:2:622563)
Closing channel on service path '/services/electron-window'.
Closing channel on service path '/services/ide-updater'.
Stored workspaces roots:
No sketches were scheduled for deletion.