O&O Defrag Professional

A way to uninstall O&O Defrag Professional from your PC

This page is about O&O Defrag Professional for Windows. Here you can find details on how to remove it from your computer. The Windows release was developed by O&O Software GmbH. You can read more on O&O Software GmbH or check for application updates here. You can get more details on O&O Defrag Professional at http://www.oo-software.com. O&O Defrag Professional is frequently set up in the C:\Program Files\OO Software\Defrag directory, but this location may differ a lot depending on the user's option while installing the application. The full command line for removing O&O Defrag Professional is MsiExec.exe /I{4BDF68FF-C735-4706-BF72-71E4A6951A7B}. Keep in mind that if you will type this command in Start / Run Note you might receive a notification for admin rights. The application's main executable file has a size of 5.11 MB (5354360 bytes) on disk and is titled oodcnt.exe.

The executables below are part of O&O Defrag Professional. They occupy an average of 12.72 MB (13337480 bytes) on disk.

• oodag.exe (1.62 MB)
• oodcmd.exe (2.59 MB)
• oodcnt.exe (5.11 MB)
• ooliveupdate.exe (3.40 MB)

The current web page applies to O&O Defrag Professional version 23.0.3578 only. You can find below info on other releases of O&O Defrag Professional:

• 27.0.8039
• 17.0.420
• 15.5.323
• 20.0.449
• 28.0.10005
• 14.0.167
• 19.0.99
• 18.10.101
• 20.0.419
• 16.0.139
• 28.0.10014
• 18.10.103
• 23.0.3579
• 14.0.173
• 15.8.813
• 14.0.177
• 14.1.305
• 22.0.2284
• 15.8.801
• 27.0.8040
• 16.0.318
• 18.0.39
• 26.0.7639
• 11.1.3362
• 19.0.69
• 20.0.427
• 27.0.8038
• 11.5.4101
• 17.0.504
• 25.1.7305
• 21.1.1211
• 16.0.183
• 23.0.3080
• 15.0.73
• 15.8.823
• 14.1.425
• 21.0.1107
• 17.5.557
• 23.5.5015
• 26.1.7709
• 24.1.6505
• 11.6.4199
• 16.0.367
• 23.0.3577
• 20.0.465
• 17.0.490
• 14.0.145
• 25.0.7210
• 26.1.7701
• 14.5.543
• 20.5.603
• 26.1.7702
• 14.5.539
• 24.5.6601
• 15.0.83
• 28.0.10008
• 17.5.559
• 23.5.5016
• 27.0.8041
• 27.0.8047
• 12.5.339
• 16.0.141
• 23.0.3094
• 23.5.5022
• 23.0.3557
• 22.1.2521
• 16.0.151
• 28.0.10012
• 20.0.461
• 15.0.107
• 16.0.345
• 23.0.3562
• 28.0.10006
• 12.5.351
• 15.8.809
• 23.0.3576
• 28.0.10011
• 19.5.222
• 26.0.7641
• 27.0.8042
• 17.0.468
• 14.1.431
• 18.9.60
• 21.0.1115
• 12.0.197
• 20.0.457
• 24.0.6023
• 17.0.422
• 16.0.306
• 26.1.7708
• 11.5.4065
• 23.5.5019
• 23.0.3572
• 14.0.205
• 12.0.213
• 28.0.10007
• 17.0.476
• 21.2.2011
• 12.0.163
• 25.5.7512

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If you are manually uninstalling O&O Defrag Professional we recommend you to check if the following data is left behind on your PC.

Folders remaining:

• C:\Program Files\OO Software\Defrag
• C:\Users\%user%\AppData\Local\O&O\O&O Defrag

The files below remain on your disk when you remove O&O Defrag Professional:

• C:\Program Files\OO Software\Defrag\oodag.exe
• C:\Program Files\OO Software\Defrag\oodagmg.dll
• C:\Program Files\OO Software\Defrag\oodagrs.dll
• C:\Program Files\OO Software\Defrag\oodagt.adm
• C:\Program Files\OO Software\Defrag\oodcmd.exe
• C:\Program Files\OO Software\Defrag\oodcmdrs.dll
• C:\Program Files\OO Software\Defrag\oodcnt.exe
• C:\Program Files\OO Software\Defrag\oodgui.adm
• C:\Program Files\OO Software\Defrag\oodguirs.dll
• C:\Program Files\OO Software\Defrag\oodjobd.dll
• C:\Program Files\OO Software\Defrag\oodjobdr.dll
• C:\Program Files\OO Software\Defrag\oodpeo.ocx
• C:\Program Files\OO Software\Defrag\oodpep.dll
• C:\Program Files\OO Software\Defrag\oodperwr.dll
• C:\Program Files\OO Software\Defrag\oodpesur.dll
• C:\Program Files\OO Software\Defrag\oodsh.dll
• C:\Program Files\OO Software\Defrag\oodshrs.dll
• C:\Program Files\OO Software\Defrag\oodsvct.exe
• C:\Program Files\OO Software\Defrag\oodtray.exe
• C:\Program Files\OO Software\Defrag\oodtrrs.dll
• C:\Program Files\OO Software\Defrag\oodwrtlic.exe
• C:\Program Files\OO Software\Defrag\ooliveupdate.exe
• C:\Program Files\OO Software\Defrag\oorwiz4.dll
• C:\Program Files\OO Software\Defrag\oosu.dll
• C:\Program Files\OO Software\Defrag\readme.txt
• C:\Program Files\OO Software\Defrag\rpcanalysis.htm
• C:\Program Files\OO Software\Defrag\rpcchkdsk.htm
• C:\Program Files\OO Software\Defrag\rpcdat01.htm
• C:\Program Files\OO Software\Defrag\rpcdefrag.htm
• C:\Program Files\OO Software\Defrag\rpcdiskcleaneropt.htm
• C:\Program Files\OO Software\Defrag\rpcdiskcleanerscan.htm
• C:\Program Files\OO Software\Defrag\rpcdiskstatscan.htm
• C:\Program Files\OO Software\Defrag\rpcmn01.htm
• C:\Program Files\OO Software\Defrag\rpcspaceopt.htm
• C:\Program Files\OO Software\Defrag\rpcstealth.htm
• C:\Users\%user%\AppData\Local\O&O\O&O Defrag\ocx\ocxdata.oodguisettings
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20200420092007_O&O Defrag Professional.log
• C:\Windows\Installer\{086A0977-ECD5-4889-B736-29111CD81820}\app_icon.exe

Use regedit.exe to manually remove from the Windows Registry the keys below:

• HKEY_CURRENT_USER\Software\O&O\O&O Defrag
• HKEY_CURRENT_USER\Software\O&O\O&O LiveUpdate\O&O Defrag Professional
• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\7790A6805DCE98847B639211C18D8102
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{086A0977-ECD5-4889-B736-29111CD81820}
• HKEY_LOCAL_MACHINE\Software\O&O\O&O Defrag
• HKEY_LOCAL_MACHINE\Software\O&O\O&O LiveUpdate\O&O Defrag Professional
• HKEY_LOCAL_MACHINE\Software\Policies\O&O\O&O Defrag

Use regedit.exe to remove the following additional values from the Windows Registry:

• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\7790A6805DCE98847B639211C18D8102\ProductName
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Program Files\OO Software\Defrag\
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Windows\Installer\{086A0977-ECD5-4889-B736-29111CD81820}\
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\OODefragAgent\ImagePath

A way to uninstall O&O Defrag Professional with the help of Advanced Uninstaller PRO

O&O Defrag Professional is a program offered by O&O Software GmbH. Some people try to remove this application. Sometimes this can be efortful because uninstalling this by hand requires some knowledge regarding Windows program uninstallation. One of the best QUICK procedure to remove O&O Defrag Professional is to use Advanced Uninstaller PRO. Here is how to do this:





1. If you don't have Advanced Uninstaller PRO on your PC, add it. This is a good step because Advanced Uninstaller PRO is a very efficient uninstaller and general tool to clean your PC.

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• navigate to Download Link
• download the program by clicking on the DOWNLOAD button
• install Advanced Uninstaller PRO

2. Start Advanced Uninstaller PRO. Take your time to get familiar with Advanced Uninstaller PRO's design and number of tools available. Advanced Uninstaller PRO is a very useful package of tools.

3. Press the General Tools button


4. Activate the Uninstall Programs feature


5. A list of the applications installed on your PC will appear

6. Navigate the list of applications until you locate O&O Defrag Professional or simply activate the Search field and type in "O&O Defrag Professional". The O&O Defrag Professional application will be found automatically. When you click O&O Defrag Professional in the list of programs, the following data regarding the application is made available to you:

• Star rating (in the left lower corner). The star rating explains the opinion other users have regarding O&O Defrag Professional, from "Highly recommended" to "Very dangerous".
• Reviews by other users - Press the Read reviews button.
• Technical information regarding the program you are about to remove, by clicking on the Properties button.

For instance you can see that for O&O Defrag Professional:

• The web site of the application is: http://www.oo-software.com
• The uninstall string is: MsiExec.exe /I{4BDF68FF-C735-4706-BF72-71E4A6951A7B}

7. Press the Uninstall button. A window asking you to confirm will show up. accept the removal by clicking the Uninstall button. Advanced Uninstaller PRO will remove O&O Defrag Professional.


8. After removing O&O Defrag Professional, Advanced Uninstaller PRO will offer to run an additional cleanup. Click Next to proceed with the cleanup. All the items that belong O&O Defrag Professional that have been left behind will be detected and you will be asked if you want to delete them. By uninstalling O&O Defrag Professional using Advanced Uninstaller PRO, you are assured that no registry entries, files or folders are left behind on your computer.

Your system will remain clean, speedy and able to serve you properly.

Disclaimer

This page is not a piece of advice to uninstall O&O Defrag Professional by O&O Software GmbH from your PC, we are not saying that O&O Defrag Professional by O&O Software GmbH is not a good application for your PC. This text simply contains detailed info on how to uninstall O&O Defrag Professional supposing you want to. Here you can find registry and disk entries that our application Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' computers.