What is AhnRpta.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the AhnRpta.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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AhnRpta.exe file information

Windows Task Manager with AhnRpta
AhnRpta.exe process in Windows Task Manager

The process known as Notepad or Bloco de notas belongs to software Microsoft Windows Operating System or Sistema operacional Microsoft Windows by Microsoft (

Description: AhnRpta.exe is not essential for the Windows OS and causes relatively few problems. AhnRpta.exe is located in the C:\Windows folder. Known file sizes on Windows 10/8/7/XP are 69,120 bytes (85% of all occurrences) or 70,144 bytes. 
The program is not visible. AhnRpta.exe is not a Windows system file. It is a trustworthy file from Microsoft. Therefore the technical security rating is 41% dangerous.

Recommended: Identify AhnRpta.exe related errors

Important: Some malware disguises itself as AhnRpta.exe, particularly when not located in the C:\Windows folder. Therefore, you should check the AhnRpta.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


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Best practices for resolving AhnRpta issues

A clean and tidy computer is the key requirement for avoiding problems with AhnRpta. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the AhnRpta.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

AhnRpta.exe [all]