74,139,804 programs installed

Should I remove PerfectDisk 12 Professional?

What percent of users and experts removed it?
18% remove it82% keep it
Overall Sentiment
Very good
What do people think about it?
(click star to rate)
How common is it?
Global Rank #16,601
United States Rank #17,529
Reach 0.0176%
Lifespan of installation (until removal)
< 27.32 days
805.95 days >
Average installed length: 423.47 days


12.00.290 69.23%
12.00.285 5.67%
12.00.275 6.88%
12.00.267 18.22%

PerfectDisk 12 Professional

What is PerfectDisk 12 Professional?

PerfectDisk is a defragmentation utility for Windows that can optimize disk drives with an optimization strategy called SMARTPlacement as well as prevents fragmentation with OptiWrite (detects when Windows is going to fragment files and intelligently redirects I/O to stop the fragmentation).


The most used version is 12.00.290, with over 98% of all installations currently using this version. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The main program executable is PerfectDisk.exe. The software installer includes 28 files and is usually about 40.27 MB (42,231,069 bytes). The program is built using the Nokia Qt cross-platforms native C++ framework.

Program detailsProgram details

URL: www.raxco.com
Help link: links.raxco.com/go.rax?id=PD12_Support
Installation folder: C:\Program Files\Raxco\PerfectDisk\
Uninstaller: MsiExec.exe /I{A3D5B54A-9792-404F-AE8B-BDA961EBA58E}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 40.27 MB

Program filesFiles installed by PerfectDisk 12 Professional

Program executable:PerfectDisk.exe
Name:PerfectDisk 12
Path:C:\Program Files\Raxco\PerfectDisk\PerfectDisk.exe
Additional files:
  • AutoUpdGui.exe - PerfectDisk 12 (Auto Update Gui)
  • PDAgent.exe - PDAgent Module
  • PDAgentS1.exe - PDAgentS1 Module
  • PDCmd.exe - PDCmd
  • PDElevationWorker.exe - PDElevationWorker Module
  • PDVmGuest.dll - PerfectDisk Virtual library
  • PerfectDisk.exe
  • PDFsPerf.dll - PerfectDisk (PerfectDisk WriteRight Performance Counters DLL)
  • libeay32.dll (by The OpenSSL Project, http://www.openssl.org/) - The OpenSSL Toolkit (OpenSSL Shared Library)
  • ssleay32.dll (by The OpenSSL Project, http://www.openssl.org/)
  • chartdir50.dll (by Advanced Software Engineering Limited) - ChartDirector (ChartDirector DLL)
  • QtCore4.dll (by Nokia and/or its subsidiary(-ies)) - Qt4 (C++ application development framework.)
  • QtGui4.dll (by Nokia and/or its subsidiary(-ies))
  • PDVmGuestPS.dll

Program behaviorsBehaviors exhibited

  • PDAgent.exe runs as a service named 'PDAgent' (PDAgent) "This service controls PerfectDisk's scheduling and remote communication.".
Windows Firewall Allowed Program
  • PDAgent.exe is added as a firewall exception for 'C:\Program Files\Raxco\PerfectDisk\PDAgent.exe'.

Program resource utilizationResource utilization averages

Memory:8.93 MB
21.09 MB average
Total CPU:0.0007813002%
0.031193% average
Kernel CPU:0.00033510%
0.016088% average
User CPU:0.00044620%
0.015104% average
CPU cycles/sec:5,625,462
8,062,084 average
I/O reads/min:5.03 KB
435.61 KB average
I/O writes/min:358 Bytes
105.02 KB average
Memory:1.46 MB
Total CPU:0.0004009846%
Kernel CPU:0.00029074%
User CPU:0.00011025%
CPU cycles/sec:8,495
I/O reads/min:177 Bytes
I/O writes/min:28 Bytes

How do I remove PerfectDisk 12 Professional?

Quickly and completely remove PerfectDisk 12 Professional from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Or, you can uninstall PerfectDisk 12 Professional from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program PerfectDisk 12 Professional, click it, and then do one of the following:
    • Windows Vista/7/8: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove PerfectDisk 12 Professional.

Win 7 (SP1) 80%
Win Vista (SP1) 0%
Windows Service? Yes
(Installs a service)
Uninstall it 18%
Keep it 82%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 83.00%
Windows XP 10.93%
Windows Vista 4.05%
Windows 8 2.02%
Which OS releases does it run on?
Windows 7 Ultimate 38.11%
Windows 7 Home Premium 22.54%
Windows 7 Professional 18.85%
Microsoft Windows XP 10.66%
Windows Vista Home Premiu... 2.46%
Windows 7 Enterprise 2.05%

Distribution by countryGeography

33.45% of installs come from the United States
Which countries install it?
  United States 33.45%
  Italy 6.41%
  Australia 4.98%
  France 4.27%
  United Kingdom 3.91%
  Canada 3.56%
  UA 3.20%
  Norway 3.20%
  Russia 3.20%
  Brazil 2.49%
  Taiwan 2.14%
  Germany 2.14%
  Croatia 2.14%
  Poland 2.14%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 21.90%
Acer 18.25%
ASUS 16.79%
Hewlett-Packard 14.60%
Intel 5.11%
Toshiba 4.38%
American Megatrends 2.92%
Common models
HP Pavilion dv7 Notebook ... 3.96%
Dell Inspiron N5110 1.98%
HP Pavilion dv6 Notebook ... 1.98%
Gigabyte GA-MA785GT-UD3H 1.98%
HP Pavilion g6 Notebook P... 1.98%

About (from Raxco Software Inc.)

For over 30 years Raxco Software has developed award-winning defragmentation solutions and performance utilities that improve hard drive and server performance, simplify system administration and help our customers work more efficiently –at home and at the office.
Publisher URL: www.raxco.com


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