What is PDAgent.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 PDAgent.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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PDAgent.exe file information

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

The process known as PDAgent Module belongs to software PerfectDisk (version 10, 10 Professional, 12.5 Professional, 11, 12, 11 Professional) or PDAgent Module or PerfectDisk Professional Business by Raxco Software (

Description: PDAgent.exe is not essential for the Windows OS and causes relatively few problems. PDAgent.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 414,984 bytes (37% of all occurrences), 407,056 bytes and 21 more variants. 
The program is not visible. It is a Verisign signed file. It is digitally signed. It is not a Windows system file. You can uninstall this program in the Control Panel. PDAgent.exe is able to monitor applications. Therefore the technical security rating is 14% dangerous; however you should also read the user reviews.

Uninstalling this variant: If problems with PDAgent.exe occur, you can do the following:
  1) safely remove the program using the uninstall program of PerfectDisk or PerfectDisk 10 Professional (Control Panel ⇒ Uninstall a Program)
  2) visit the vendor’s support site [1][2]
  3) update to a possibly bug-fixed version.

Recommended: Identify PDAgent.exe related errors

Important: Some malware camouflages itself as PDAgent.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the PDAgent.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.


User Comments

PerfectDisk file
the services that controls perfectdisk defragmentation
is a PDAgent Module and belongs to the software PerfectDisk by Raxco Software, Inc
  A. Mastichis   (further information)
Gehört zum Defragmentierungsprogramm PerfectDisk und startet als Dienst für die Autodefragmentierung mit
Teil von Perfect Disk, welches ein gutes Defragmentierungsprogramm ist.
  Vampi   (further information)

Rating chart

Summary: Average user rating of PDAgent.exe: based on 6 votes with 5 user comments. 4 users think PDAgent.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous.

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Best practices for resolving PDAgent issues

A clean and tidy computer is the key requirement for avoiding problems with PDAgent. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the PDAgent.exe process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

PDAgent.exe [all]