O&O Defrag Professional

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

O&O Defrag Professional is a software application. This page is comprised of details on how to uninstall it from your computer. It was coded for Windows by O&O Software GmbH. You can find out more on O&O Software GmbH or check for application updates here. Click on http://www.oo-software.com to get more facts about O&O Defrag Professional on O&O Software GmbH's website. Usually the O&O Defrag Professional application is found in the C:\Program Files\OO Software\Defrag folder, depending on the user's option during install. MsiExec.exe /I{A4190743-74A9-430C-99D4-4EEFC762132F} is the full command line if you want to uninstall O&O Defrag Professional. The application's main executable file occupies 1.59 MB (1666296 bytes) on disk and is called oodag.exe.

The executable files below are part of O&O Defrag Professional. They take about 5.85 MB (6131696 bytes) on disk.

• oodag.exe (1.59 MB)
• oodtray.exe (4.26 MB)

The current web page applies to O&O Defrag Professional version 18.10.101 only. Click on the links below for other O&O Defrag Professional versions:

• 27.0.8039
• 17.0.420
• 15.5.323
• 20.0.449
• 28.0.10005
• 14.0.167
• 19.0.99
• 20.0.419
• 16.0.139
• 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
• 25.6.7601
• 25.2.7405

...click to view all...
If you are manually uninstalling O&O Defrag Professional we suggest you to verify if the following data is left behind on your PC.

Directories left on disk:

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

Generally, the following files are left on disk:

• 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\oodpe.chm
• 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\rpcdat01.htm
• C:\Program Files\OO Software\Defrag\rpcdrv01.htm
• C:\Program Files\OO Software\Defrag\rpcmn01.htm
• C:\Users\%user%\AppData\Local\O&O\O&O Defrag\ocx\ocxdata.oodguisettings
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20200307120955_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20200307121005_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20200307121047_O&O Defrag Professional.log
• C:\Windows\Installer\{50C961A1-889F-4A4E-9587-2772A45B6AAD}\app_icon.ico

You will find in the Windows Registry that the following keys will not be removed; remove them one by one using regedit.exe:

• 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\3470914A9A47C034994DE4FE7C2631F2
• 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

Open regedit.exe in order to remove the following registry values:

• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\3470914A9A47C034994DE4FE7C2631F2\ProductName
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Program Files\OO Software\Defrag\
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\OODefragAgent\ImagePath

How to erase O&O Defrag Professional from your computer with Advanced Uninstaller PRO

O&O Defrag Professional is a program released by the software company O&O Software GmbH. Some people decide to erase this application. This is efortful because performing this by hand requires some know-how related to PCs. One of the best SIMPLE way to erase O&O Defrag Professional is to use Advanced Uninstaller PRO. Here are some detailed instructions about how to do this:





1. If you don't have Advanced Uninstaller PRO on your Windows PC, install it. This is good because Advanced Uninstaller PRO is an efficient uninstaller and all around utility to optimize your Windows PC.

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• navigate to Download Link
• download the program by pressing the green DOWNLOAD button
• install Advanced Uninstaller PRO

2. Start Advanced Uninstaller PRO. It's recommended to take your time to get familiar with Advanced Uninstaller PRO's design and number of tools available. Advanced Uninstaller PRO is a very useful Windows optimizer.

3. Press the General Tools category


4. Activate the Uninstall Programs button


5. A list of the applications installed on your PC will be made available to you

6. Scroll the list of applications until you find O&O Defrag Professional or simply activate the Search feature and type in "O&O Defrag Professional". If it exists on your system the O&O Defrag Professional app will be found automatically. When you click O&O Defrag Professional in the list , some data regarding the program is shown to you:

• Star rating (in the lower left corner). This tells you the opinion other users have regarding O&O Defrag Professional, ranging from "Highly recommended" to "Very dangerous".
• Reviews by other users - Press the Read reviews button.
• Technical information regarding the program you wish to uninstall, by pressing the Properties button.

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

• The publisher is: http://www.oo-software.com
• The uninstall string is: MsiExec.exe /I{A4190743-74A9-430C-99D4-4EEFC762132F}

7. Press the Uninstall button. A confirmation dialog will come up. accept the uninstall by pressing the Uninstall button. Advanced Uninstaller PRO will then remove O&O Defrag Professional.


8. After removing O&O Defrag Professional, Advanced Uninstaller PRO will ask you to run an additional cleanup. Click Next to start the cleanup. All the items of O&O Defrag Professional that have been left behind will be found and you will be able to delete them. By uninstalling O&O Defrag Professional using Advanced Uninstaller PRO, you can be sure that no Windows registry items, files or directories are left behind on your system.

Your Windows computer will remain clean, speedy and able to take on new tasks.

Geographical user distribution

Disclaimer

The text above is not a piece of advice to remove O&O Defrag Professional by O&O Software GmbH from your computer, we are not saying that O&O Defrag Professional by O&O Software GmbH is not a good software application. This page simply contains detailed info on how to remove O&O Defrag Professional in case you want to. Here you can find registry and disk entries that other software left behind and Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' computers.