Is it a Virus?
✔ NO - Safe
Must be in C:\Program Files\Nextcloud\Telemetry\nc-telemetry.exe
Warning
Background activity expected
Telemetry runs in the background to minimize impact
Can I Disable?
✔ YES
Disable from Nextcloud settings: Privacy → Telemetry, or prevent startup
What is nc-telemetry.exe?
nextcloud-telemetry is the background telemetry processor used by the Nextcloud Desktop Client to collect anonymized usage metrics and error reports. It runs alongside the main app to help Nextcloud improve stability, performance, and platform compatibility.
Telemetry collects anonymized metrics such as app version, features used, and crash data. Data is transmitted under user consent to Nextcloud servers, with privacy controls applied to limit personal content and identifiers.
Quick Fact: Nextcloud telemetry is designed to minimize data and can be disabled by user preference in the desktop client.
Types of Nextcloud Processes
- Main Desktop Client Process: The primary UI and background components of the Nextcloud Desktop Client
- Telemetry Process: Dedicated worker for collecting and uploading anonymized usage data
- Updater/Launcher Process: Checks for updates and launches the client
- Background Sync Process: Handles cloud sync tasks in the background
- Notification/Status Processor: Manages desktop notifications and status reporting
- Utility/Helper Process: Miscellaneous background tasks and network services
Is nextcloud-telemetry Safe?
Yes, nextcloud-telemetry is safe when it's the legitimate file from Nextcloud installed from official sources.
Is nextcloud-telemetry a Virus or Malware?
The real nextcloud-telemetry is NOT a virus. However, malware sometimes mimics legitimate names to trick users.
How to Tell if nextcloud-telemetry is Legitimate or Malware
- File Location:: Must be in
C:\Program Files\Nextcloud\Telemetry\nc-telemetry.exe or C:\Program Files (x86)\Nextcloud\Telemetry\nc-telemetry.exe. Any other location is suspicious.
- Digital Signature:: Right-click nc-telemetry.exe in Task Manager → Open file location → Right-click nc-telemetry.exe → Properties → Digital Signatures. Should show "Nextcloud GmbH".
- Resource Usage:: Normal usage is 0.5-4% CPU and 15-60 MB memory. Constant, high resource use is suspicious.
- Behavior:: Telemetry should run in the background only while Nextcloud is active or configured to report remotely. Unassociated activity suggests malware.
Red Flags: If nc-telemetry.exe is located outside the Nextcloud directory, lacks a valid signature, runs when Nextcloud is closed, or consumes resources constantly, scan with antivirus software. Look for similarly named files like "nc-telemetry.exe.bak".
Why Is nextcloud-telemetry Running on My PC?
The telemetry component runs to collect anonymized usage data, report app issues, and help Nextcloud improve reliability. It can run while you use the client or in the background.
Reasons it's running:
- Active Desktop Use: The Nextcloud Desktop Client is open; telemetry collects usage metrics as you interact with the app.
- Background Sync and Checks: Telemetry participates in background sync and health checks to monitor connectivity and performance.
- Error Reporting: Crash and error reports can trigger telemetry to send diagnostics to Nextcloud servers.
- Startup and Background Tasks: Nextcloud can start telemetry at login for quick reporting and status updates.
- Privacy-Configured Data: Telemetry respects privacy settings; data collection is minimized and anonymized when enabled by the user.
Can I Disable or Remove nextcloud-telemetry?
Yes, you can disable nextcloud-telemetry. You can turn off telemetry in the Nextcloud Desktop Client settings or prevent startup; uninstalling Nextcloud will remove the component.
How to Stop nextcloud-telemetry
- Open Nextcloud Settings: Go to Settings → General or Privacy and switch off data collection/telemetry.
- Quit Nextcloud: Close all windows or use Exit to stop telemetry from running.
- Disable Startup: Windows: Task Manager → Startup → Disable Nextcloud; macOS: System Preferences → Users & Groups → Login Items.
- Disable Background Running: Within Nextcloud, turn off 'Start Nextcloud at login' or similar.
- Uninstall (Optional): If you remove Nextcloud Desktop Client, telemetry is removed.
How to Uninstall Nextcloud
- ✔ Windows Settings → Apps → Apps & Features → Nextcloud → Uninstall
- ✔ Control Panel → Programs → Uninstall a program → Nextcloud → Uninstall
- ✔ Consider alternative sync clients: Synology Drive, Dropbox, Google Drive
Common Problems: Telemetry-related Issues
If nextcloud-telemetry is causing problems, try the following.
Common Causes & Solutions
- Telemetry disabled in settings but still running: Restart Nextcloud after changing setting; ensure you saved changes.
- Telemetry uses noticeable CPU or memory: Disable telemetry in settings and review active sync tasks and extensions; restart the client.
- Telemetry not starting after an update: Update Nextcloud to the latest version and re-launch the client; check for corrupted files and reinstall if needed.
- Telemetry data not uploading: Check network access and proxy settings; ensure privacy settings allow data transmission.
- Antivirus flags nc-telemetry.exe: Add Nextcloud Telemetry to the antivirus exceptions list and perform a quarantine-free scan.
- Telemetry conflicts with other sync apps: Temporarily disable other sync clients to identify conflicts and adjust startup order.
Quick Fixes:
1. Quick Fixes:
2. 1. Open Nextcloud Settings and disable telemetry in Privacy/Usage sections
3. Restart Nextcloud after changes
4. Check Task Manager for nc-telemetry.exe and end if needed
5. Update Nextcloud to the latest version
6. Add Nextcloud to antivirus exceptions and re-scan
Frequently Asked Questions
Is nextcloud-telemetry a virus?
No, the legitimate nextcloud-telemetry is not a virus. Ensure the file is located at C:\Program Files\Nextcloud\Telemetry\nc-telemetry.exe and has a valid Nextcloud signature.
Why is nextcloud-telemetry running?
It runs to collect anonymized usage data and crash reports to help Nextcloud improve the desktop client and diagnose issues.
Can I disable nextcloud-telemetry?
Yes. Disable telemetry in the Nextcloud Settings and, if needed, turn off startup item to prevent background operation.
Where is telemetry data stored and who can access it?
Telemetry data is sent to Nextcloud servers with privacy controls; data is anonymized and used to improve the product. Specific data is managed by Nextcloud and governed by their privacy policy.
How do I uninstall Nextcloud to remove telemetry completely?
Uninstall Nextcloud Desktop Client from Windows Settings → Apps or Control Panel. You may also remove residual data from the user profile if desired.
Can telemetry affect performance on Windows?
Telemetry is designed to be lightweight, but misconfiguration or many active syncs can impact performance. Disabling or updating to the latest version usually helps.