notable.exe

Notable Application Suite

Application ProcessSafeProductivity

CPU Usage

4-25%

Memory

150-600 MB

Location

C:\Program Files\Notable\NotableApp

Publisher

Notable Software LLC

Quick Answer

notable.exe is safe. It's Notable's official application executable, designed to run across modules with separate processes to improve stability and security.

Is it a Virus?

✔ NO - Safe

Must be in C:\Program Files\Notable\NotableApp\notable.exe

Warning

Multiple processes normal

Main UI process + module renderers + background services

Can I Disable?

✔ YES

Close Notable app or end background services; disable startup if needed

What is notable.exe?

notable.exe is the launcher and runtime for the Notable Application Suite, a productivity platform that combines notes, tasks, and collaboration. The process uses a multi-process model to isolate the UI, modules, and background tasks, improving stability and security across workspaces.

Notable employs a multi-process architecture featuring a main process for UI, renderer-like processes for modules, a background sync service, and extension handlers. This isolation prevents a single component failure from crashing the entire suite and aids performance under heavy workloads.

Quick Fact: Notable pioneered modular process isolation in productivity software, enabling stable collaboration and responsive editing even with many modules running concurrently.

Types of Notable Processes

Main Process: Core UI, window management, and command routing (1 instance)
Module Renderer: Renders Notable modules (notes, tasks, calendar) (multiple instances)
Sync Service: Background cloud syncing and data push/pull
Extension/Plugin Process: Isolates extensions and plugins (per-extension)
Background Worker: Indexing, search, and offline tasks
Content Renderer: Renders embedded content like PDFs or rich text

Is notable.exe Safe?

Yes, notable.exe is safe when it's the legitimate file from Notable Software LLC downloaded from official sources.

Is notable.exe a Virus or Malware?

The real notable.exe is NOT a virus. However, malware may mimic names to deceive users.

How to Tell if notable.exe is Legitimate or Malware

File Location:: Must be in C:\Program Files\Notable\NotableApp\notable.exe or C:\Program Files (x86)\Notable\NotableApp\notable.exe. Any notable.exe elsewhere is suspicious.
Digital Signature:: Right-click the file in Windows Explorer → Properties → Digital Signatures. Should show "Notable Software LLC".
Resource Usage:: Normal usage is 4-25% CPU per process, 100-600 MB total memory. Extremely high usage when Notable is closed is suspicious.
Behavior:: Notable should only run when you open the app or perform cloud sync. Persistent activity when idle indicates malware.

Red Flags: If notable.exe is located in unusual folders (like AppData\Roaming, Temp, or System32), runs when Notable isn't open, has no valid digital signature, or uses excessive resources constantly, scan with antivirus software immediately. Beware similarly-named files such as "notable.exe" from untrusted sources.

Why Is notable.exe Running on My PC?

notable.exe runs when you open Notable Application Suite or when features like cloud sync or background indexing are active.

Reasons it's running:

Active User Interaction: You are actively using Notable; the app creates multiple module processes to render UI and data.
Background Sync: Cloud sync and collaboration features run in background to push/pull notes, tasks, and shared notebooks.
Startup Launch: Notable is configured to launch at Windows startup or via system tray actions.
Indexing and Search: Local indexing for fast search is running or triggered by workspace changes.
Extensions and Integrations: Active Notable extensions or integrations run in separate processes to isolate from core app.

Can I Disable or Remove notable.exe?

Yes, you can disable notable.exe. It's safe to close Notable when not in use. You can uninstall Notable if you prefer another productivity solution.

How to Stop notable.exe

End Individual Tasks: Use Notable's internal Task Manager to end specific modules or processes, or use Windows Task Manager to End Task for notable.exe
Close All Notable Windows: Close the Notable application windows to terminate active UI processes
End Background Services: Notable Settings → General → Disable 'Continue running in background' to stop background tasks
Prevent Startup: Task Manager → Startup tab → Disable Notable
Stop Cloud Sync: Notable Settings → Sync → Turn off automatic cloud sync to prevent background activity
Uninstall Notable: Windows Settings → Apps → Notable → Uninstall

How to Uninstall Notable

✔ Windows Settings → Apps → Apps & Features → Notable → Uninstall
✔ Control Panel → Programs → Uninstall a program → Notable → Uninstall
✔ Consider alternative productivity tools: Microsoft 365, Google Workspace, or other note-taking apps

Common Problems: High CPU or Memory Usage

If notable.exe is consuming excessive resources:

Common Causes & Solutions

Too Many Notable Workspaces Open: Each workspace may spawn separate modules. Close unused notebooks or use a single workspace with archived sections.
Resource-Heavy Extensions: Extensions run in background. Disable unnecessary extensions in Notable's Extensions settings.
Background Sync Intensive: Sync may spike CPU during large data transfers. Pause sync or schedule it during low-usage periods.
Indexing/Search Activity: Indexing runs in background and can use memory. Allow indexing to complete or trigger a manual reindex in settings.
Outdated Notable Version: Update Notable to the latest version via Settings → Help → Check for updates.
Hardware Acceleration Issues: Disable: Notable Settings → Performance → Use hardware acceleration when available

Quick Fixes:
1. Quick Fixes:
2. 1. Use Notable Task Manager to identify high-usage modules or extensions
3. Clear Notable's cache/data: Notable Settings → Privacy → Clear cache
4. Disable unnecessary extensions in Notable
5. Update Notable to latest version
6. Disable hardware acceleration: Notable Settings → Performance → Disable hardware acceleration

Frequently Asked Questions

Is notable.exe a virus?

No, the legitimate notable.exe from Notable Software LLC is not a virus. Verify the file location in C:\Program Files\Notable\NotableApp\notable.exe and ensure a valid signature from Notable Software LLC.

Why is notable.exe using so much CPU?

High CPU can be caused by active modules, heavy real-time collaboration, or resource-heavy extensions. Open Notable Task Manager to identify the culprit and close or disable it.

Can I delete notable.exe?

You can uninstall Notable through Windows Settings → Apps. Deleting the executable alone may leave residual data; use the uninstaller to remove the app cleanly.

Can I disable notable.exe at startup?

Yes. Disable Notable in Task Manager's Startup tab or within Notable's own settings to prevent automatic launch on system startup.

Why are there multiple notable.exe processes?

Notable uses a multi-process architecture to separate UI, modules, and background tasks. This improves stability; you can see each function running as its own process.

How do I reduce Notable's memory usage?

Close unused notebooks, disable unnecessary extensions, clear cache, update to the latest version, and consider using the built-in Memory Saver option if available.