calendar-notification.exe

Calendar Notification Service

CPU Usage
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Memory
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Location
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Publisher
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Quick Answer

calendar-notification-exe is a legitimate background component of calendar applications that shows reminders and alerts. It runs quietly to deliver timely notifications and while generally safe, ensure it comes from a trusted calendar app source and is not located in a suspicious folder.

Safe Summary
Calendar-notification-exe is a standard calendar component designed to surface reminders. It is safe when installed from reputable sources and is expected to run with low resource usage.
Virus Summary
If calendar-notification-exe is found outside the calendar application's trusted directory, or without a valid digital signature, it could be a security risk. In that case, isolate, scan, and verify against vendor catalogs.

What is calendar-notification.exe?

calendar-notification-exe is a background helper for calendar software responsible for surfacing reminders and event alerts as system notifications. It integrates with the Windows notification center or macOS notification system, reads calendar data, and executes lightweight tasks to display reminders. The process typically starts with user session and runs with low CPU usage, ensuring timely alerts without hindering foreground apps.

calendar-notification-exe is a background process emitted by calendar apps to monitor event times and trigger notifications. It interfaces with the Windows notification center or macOS notification system, reads calendar data, and executes lightweight tasks to display reminders.

Is calendar-notification-exe Safe?

calendar-notification-exe is a commonly safe component of calendar software. When installed from official vendors and included in legitimate installers, it runs as a non-destructive background helper that surfaces reminders and alerts. It uses standard OS notification APIs and minimal resources, and operates within the permissions granted to the calendar app. If you observe unfamiliar behavior, check the install source, path, and digital signature before permitting continued operation.

Is calendar-notification-exe a Virus?

While calendar-notification-exe is normally non-malicious, any executable can be repurposed by malware if obtained from untrusted sources or tampered with. Always verify the file origin, confirm a valid digital signature, and monitor for unusual network activity. If the file resides outside the expected calendar app directory or lacks a trusted signature, treat it as suspicious and perform a thorough malware scan.

How to Verify Legitimacy

  1. Check File Location: Compare the executable's path to the calendar application's official install directory, for example C:\Program Files\CalendarApp or C:\Program Files (x86)\CalendarApp, and look for anomalies.
  2. Verify Digital Signature: Open the file properties or use signtool to confirm a trusted publisher that matches the calendar app vendor.
  3. Check File Hash: Compute the SHA-256 hash and compare it with the vendor's official hash or update catalog.
  4. Scan for Malware: Run a full system scan with an up-to-date antivirus/EDR solution to ensure the file and related components are clean.

Red Flags: If calendar-notification-exe appears in a temporary or system folders outside the calendar application's install path, shows a mismatched size, or exhibits unusual network activity when no calendar app is expected to be active, treat as suspicious and investigate.

Why is it Running?

Reasons it's running:

Can calendar-notification-exe be disabled or removed?

Yes, calendar-notification-exe can typically be disabled or its notifications muted through the calendar application's settings or the operating system's notification controls. Disabling it may stop visible reminders or delay alerts about upcoming events. If it is bundled with calendar software, you may need to adjust the app's notification permissions or service settings, or uninstall the calendar app to remove the component entirely.

Common Problems

Common Causes & Solutions

Frequently Asked Questions

What is calendar-notification-exe and what does it do?

It is a background helper for calendar apps that triggers reminders and alerts as notifications.

Is calendar-notification-exe safe to keep on my PC?

Yes, when obtained from official calendar apps and installed from trusted sources, it is a normal system component.

How can I tell if the file is legitimate?

Check the file location, signature, and hash against the vendor's official details, and scan for malware.

Can I disable notifications from calendar-notification-exe?

You can disable or mute reminders via the calendar app or OS notification settings, but reminders may be lost.

Why do I sometimes see CPU spikes when reminders fire?

It is typically due to a heavy calendar sync or a large number of reminders; update the app or adjust notification settings.

What should I do if calendar-notification-exe is in a suspicious folder?

Quarantine or delete it and re-install the official calendar app from the vendor to restore normal behavior.

Related Processes