84,488,480 programs installed

Should I remove PerfectDisk?

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 #17,603
United States Rank #22,927
Reach 0.0139%
Lifespan of installation (until removal)
< 18.32 days
540.40 days >
Average installed length: 283.94 days


8.00.067 15.33%
8.00.065 15.33%
8.00.064 3.28%
8.00.063 3.28%
8.00.058 1.09%
8.00.056 5.84%
8.00.054 0.36%
8.00.050 0.73%
8.00.048 5.47%
8.00.046 0.73%
8.00 6.20%
7.00.347 15.69%
7.00.337 1.46%
7.00.046 5.47%
7.00.042 1.46%
7.00.040 1.82%
7.00.035 3.28%
7.00.034 0.36%
7.00.031 6.57%
6.00.34 2.92%
6.00.29 1.09%
6.0.26 0.73%
6.0 1.09%
5.0 0.36%

Typically installed together


What is PerfectDisk?  (from Raxco Software)

Every time you use your computer, even when it's brand new, the files on your PC or laptop will continuously become fragmented. This means that these files are split into millions of pieces, and this occurs even more so when you go to add, modify and delete them. So when you go to access a file--even just to read it--i...  Read more


PerfectDisk is a program developed by Raxco Software. The most used version is 7.00.347, 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 main program executable is PerfectDisk.exe. The software installer includes 27 files and is usually about 18.35 MB (19,241,102 bytes). In comparison to the total number of users, most PCs are running the OS Windows XP as well as Windows Vista (SP2). While about 36% of users of PerfectDisk come from Germany, it is also popular in the United States and Taiwan.

Program detailsProgram details

URL: www.Raxco.com
Help link: www.raxco.com/support/windows
Installation folder: C:\Program Files\Raxco\PerfectDisk\
Uninstaller: MsiExec.exe /I{212F5777-1190-4DEF-8E4D-6B2F313B45E7}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 18.35 MB
Language: English (United States)

Program filesFiles installed by PerfectDisk

Program executable:PerfectDisk.exe
Name:PerfectDisk Module
Path:C:\Program Files\Raxco\PerfectDisk\PerfectDisk.exe
Additional files:
  • PDLangGM.dll - Raxco Software, Inc. PDLangGM (PerfectDisk German Language Library)
  • PDExchange.exe - PD PDExchange Module
  • PerfectDisk.exe - PerfectDisk Module
  • PDEngine.exe - PDEngine Module
  • PDSnapIn.dll - PDSnapIn Module
  • PDAgent.exe - PDAgent Module
  • PDCmd.exe - PerfectDisk (PDCmd)
  • PDCommon.dll - PerfectDisk Common Library
  • PDEngineps.dll - PDEngine Proxy
  • PDExchangePS.dll - PDExchange Proxy
  • PDLangEN.dll - PerfectDisk English Language Library
  • pduiocx.dll - PDUiOcx Module
  • PDUtils.dll - PDUtils Module
  • PDUICommon.dll - PDUICommon Dynamic Link Library
  • PDUICommonpd.dll
  • PDDb.dll - PDDb Dynamic Link Library
  • PDDbDO.dll
  • QtCore4.dll (by Trolltech ASA) - Qt4 (C++ application development framework.)
  • QtGui4.dll (by Trolltech ASA)

Program behaviorsBehaviors exhibited

3 Services
  • PDEngine.exe runs as a service named 'PDEngine' (PDEngine) "PerfectDisk's defrag engine".
  • PDAgent.exe runs as a service named 'PDAgent' (PDAgent) "This service controls PerfectDisk's scheduling and remote communication.".
  • PDExchange.exe runs as a service named 'PDExchange' (PDExchange) "PerfectDisk Exchange Data Store defrag engine.".

Program resource utilizationResource utilization averages

Memory:2.26 MB
21.09 MB average
Total CPU:0.0002524942%
0.031193% average
Kernel CPU:0.00017316%
0.016088% average
User CPU:0.00007933%
0.015104% average
70 average
Memory:2.43 MB
Total CPU:0.0013036649%
Kernel CPU:0.00066503%
User CPU:0.00063863%

How do I remove PerfectDisk?

You can uninstall PerfectDisk 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/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program PerfectDisk, click it, and then do one of the following:
    • Windows Vista/7/8/10: 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.

Win XP 76%
Win 10 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 XP 82.12%
Windows Vista 11.68%
Windows 7 5.84%
Windows 10 0.36%
Which OS releases does it run on?
Microsoft Windows XP 82.35%
Windows Vista Home Premiu... 9.93%
Windows 7 Professional 2.21%
Windows 7 Home Premium 2.21%
Windows Vista Home Basic 1.84%
Windows 7 Ultimate 1.10%

Distribution by countryGeography

36.09% of installs come from Germany
Which countries install it?
  Germany 36.09%
  United States 26.16%
  Taiwan 14.90%
  United Kingdom 3.97%
  France 1.99%
  Hong Kong 1.99%
  Hungary 1.99%
  Italy 1.99%
  Belgium 0.99%
  Finland 0.99%
  Croatia 0.99%
  Netherlands 0.66%
  New Zealand 0.66%
  Argentina 0.66%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
American Megatrends 19.05%
Intel 16.67%
Dell 14.29%
Sahara 13.49%
Acer 7.14%
Medion 4.76%
ASUS 3.17%
MSI 2.38%
Hewlett-Packard 2.38%
Toshiba 1.59%
Common models
MEDIONPC MS-7012 2.52%
ASUSTeK A7N8X 2.52%

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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