Is it a Virus?
✔ NO - Safe
Must be in Program Files\Adobe\Acrobat Reader DC\Reader\pdf-reader-telemetry.exe
Warning
Telemetry runs in background
Part of telemetry collection; may spawn background tasks per feature
Can I Disable?
✔ YES
You can disable telemetry in Reader's privacy settings or disable the process via Task Manager if needed
What is pdf-reader-telemetry.exe?
pdf-reader-telemetry.exe is the background telemetry component for PDF Reader software. It runs as a separate process to collect anonymized usage data, feature engagement, and performance signals, helping the vendor improve reader stability and user experience. It does not render PDFs and operates alongside the main reader application.
This process runs as a lightweight, dedicated telemetry agent and reports to the vendor. It limits data scope to non-content usage metrics, and operates within a sandboxed context to minimize impact on the reading experience.
Quick Fact: Telemetry helps prioritize fixes; the data typically covers feature usage and crash metrics, not the actual document contents.
Types of PDF Reader Telemetry Processes
- Telemetry Collector: Gathers anonymized usage events for analytics
- Crash Reporter: Includes minimal context about the crash; no document data is sent
- Update Notifier: Checks telemetry policy and communicates changes
- Background Sync: Synchronizes settings and usage statistics with the cloud
- Policy Engine: Applies telemetry opt-in/opt-out policies
Is pdf-reader-telemetry.exe Safe?
Yes, pdf-reader-telemetry.exe is safe when it's the legitimate file from Adobe Acrobat Reader DC downloaded from official sources (adobe.com or the pre-installed OEM version).
Is pdf-reader-telemetry.exe a Virus or Malware?
The real pdf-reader-telemetry.exe is NOT a virus. Malware sometimes mimics names to trick users.
How to Tell if pdf-reader-telemetry.exe is Legitimate or Malware
- File Location:: Must be in
C:\Program Files\Adobe\Acrobat Reader DC\Reader\pdf-reader-telemetry.exe or C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\pdf-reader-telemetry.exe. Any other path is suspicious.
- Digital Signature:: Right-click pdf-reader-telemetry.exe → Properties → Digital Signatures. Should show an Adobe signing certificate (e.g., "Adobe Systems Incorporated").
- Resource Usage:: Normal usage is 0-5% CPU and 20-60 MB memory. Consistently high usage when idle is suspicious.
- Behavior:: Telemetry should run in background while the main PDF Reader is active or per policy. Constant activity when the reader is closed may indicate tampering.
Red Flags: If pdf-reader-telemetry.exe is located outside the Adobe path (e.g., Temp, AppData, or System32 folders), runs when Reader isn't open, lacks a valid digital signature, or uses resources constantly, scan with antivirus and verify publisher authenticity.
Why Is pdf-reader-telemetry.exe Running on My PC?
pdf-reader-telemetry.exe runs to collect usage, performance, and reliability data from the PDF Reader software, helping the vendor improve features and stability. It may run when the reader is active or during background sync.
Reasons it's running:
- Active PDF Reading: You're using the PDF Reader; telemetry records feature usage and performance signals for improvements.
- Background Data Sync: Telemetry tasks sync data periodically even when the reader is not in the foreground.
- Crash Reporting: If the reader experiences a crash, telemetry collects diagnostic data to assist developers.
- Startup and Policy Checks: When Windows starts or telemetry policy updates apply, the component may initialize to apply settings.
- Privacy Settings: If user privacy settings allow telemetry, the process will run to report data according to policy.
Can I Disable or Remove pdf-reader-telemetry.exe?
Yes, you can reduce or disable telemetry. You can adjust privacy settings in the PDF Reader or remove the component by uninstalling the product, though this may affect product improvement data.
How to Stop pdf-reader-telemetry.exe
- End Telemetry Process: Open Task Manager and end the process named pdf-reader-telemetry.exe
- Disable Telemetry in Reader: Open PDF Reader preferences or settings and turn off Telemetry/Data Collection
- Prevent Startup: In Task Manager → Startup tab, disable the PDF Reader entry
- Stop Background Apps: In Reader settings, disable background data collection or auto-send on close
- Limit Network Activity: Configure firewall rules to block outbound telemetry traffic if you must
How to Uninstall PDF Reader (and Telemetry)
- ✔ Windows Settings → Apps → Apps & Features → Adobe Acrobat Reader DC → Uninstall
- ✔ Control Panel → Programs → Uninstall a program → Adobe Acrobat Reader DC → Uninstall
- ✔ During reinstallation, choose a setup with minimized telemetry or an enterprise/IT-approved configuration
Common Problems: High CPU or Memory Usage
If pdf-reader-telemetry.exe is consuming excessive resources, it may indicate telemetry activity, background syncing, or misbehavior during updates.
Common Causes & Solutions
- Telemetry background activity: Disable telemetry in Reader settings or schedule data collection to off-peak times
- Frequent crash reports: Update to the latest PDF Reader version and ensure crashes are resolved; reinstall if needed
- Outdated version: Update PDF Reader to the latest release which includes telemetry optimizations
- Excessive feature usage: Limit concurrently open PDFs or heavy rendering tasks; consider upgrading hardware
- Background sync overflow: Disable background sync in privacy settings to reduce network usage
- Malware impersonation: Verify file signature and path; run a full system antivirus scan
Quick Fixes:
1. Quick Fixes:
2. 1. Open Task Manager and identify pdf-reader-telemetry.exe resource usage
3. Disable telemetry in PDF Reader settings
4. Update to the latest PDF Reader version
5. End the telemetry process if running abnormally
6. Run a system antivirus scan and review recently installed extensions
Frequently Asked Questions
Is pdf-reader-telemetry.exe safe?
Yes, when located in the official Adobe path (C:\Program Files\Adobe\Acrobat Reader DC\Reader or C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader) and signed by Adobe Systems Incorporated.
Why is pdf-reader-telemetry.exe running?
It runs to collect anonymous usage and crash data to help improve PDF Reader features and stability; it may operate during active use or background sync.
Can I disable pdf-reader-telemetry.exe and still use PDF Reader?
Yes. You can disable telemetry in the reader's privacy settings and, if needed, end the process. Disabling telemetry may limit usage data available to developers.
Where are telemetry data stored and how is it used?
Telemetry data is typically sent to the vendor and stored according to privacy policy; it includes non-content usage metrics, performance signals, and crash reports for product improvement.
How do I uninstall PDF Reader if telemetry keeps running?
Uninstall PDF Reader via Windows Settings → Apps → Apps & Features → Adobe Acrobat Reader DC → Uninstall. This removes the telemetry component along with the reader.
Does telemetry include contents of my PDFs?
No. Telemetry collects usage metrics and crash data, not the actual content of documents. Sensitive data remains local and is not transmitted.