O&O Defrag Professional

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

You can find below detailed information on how to uninstall O&O Defrag Professional for Windows. The Windows release was created by O&O Software GmbH. Open here for more info on O&O Software GmbH. Please open http://www.oo-software.com if you want to read more on O&O Defrag Professional on O&O Software GmbH's page. The application is often installed in the C:\Program Files\OO Software\Defrag directory. Keep in mind that this path can vary depending on the user's preference. MsiExec.exe /I{E07E6681-4DBF-47AC-9E2C-8FBFB2D3D560} is the full command line if you want to uninstall O&O Defrag Professional. oodcnt.exe is the programs's main file and it takes close to 5.46 MB (5722544 bytes) on disk.

O&O Defrag Professional is composed of the following executables which occupy 22.38 MB (23469728 bytes) on disk:

• DriveLedTray.exe (35.42 KB)
• oodag.exe (4.16 MB)
• oodcmd.exe (2.89 MB)
• oodcnt.exe (5.46 MB)
• oodsvct.exe (119.42 KB)
• oodtray.exe (5.23 MB)
• oodtrwnd.exe (959.42 KB)
• oodwrtlic.exe (161.92 KB)
• ooliveupdate.exe (3.40 MB)

...click to view all...

The current page applies to O&O Defrag Professional version 25.6.7601 alone. For other O&O Defrag Professional versions please click below:

• 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

...click to view all...
A considerable amount of files, folders and registry entries will not be deleted when you want to remove O&O Defrag Professional from your computer.

Folders found on disk after you uninstall O&O Defrag Professional from your PC:

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

The files below were left behind on your disk by O&O Defrag Professional's application uninstaller when you removed it:

• C:\Program Files\OO Software\Defrag\DriveLedTray.exe
• C:\Program Files\OO Software\Defrag\en-US\DriveLedTray.resources.dll
• C:\Program Files\OO Software\Defrag\en-US\oodtrwnd.resources.dll
• C:\Program Files\OO Software\Defrag\Microsoft.Toolkit.Uwp.Notifications.dll
• 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\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\oodtrwnd.exe
• 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\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\20240422003450_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240422003503_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240422093605_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240422105214_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240422111141_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240422111512_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240422111524_O&O Defrag Professional.log
• C:\WINDOWS\Installer\{8EC50FC7-1DD5-46AE-AADE-1A0651FA6150}\app_icon.exe

You will find in the Windows Registry that the following data will not be cleaned; 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\F852DC6CFAF553C468DB7AE434471C64
• 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 to delete the registry values below from the Windows Registry:

• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Program Files\OO Software\Defrag\ooliveupdate.exe.ApplicationCompany
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Program Files\OO Software\Defrag\ooliveupdate.exe.FriendlyAppName
• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\F852DC6CFAF553C468DB7AE434471C64\ProductName
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Program Files\OO Software\Defrag\
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\OODefragAgent\ImagePath

A way to erase O&O Defrag Professional from your PC with the help of Advanced Uninstaller PRO

O&O Defrag Professional is a program marketed by O&O Software GmbH. Sometimes, computer users decide to remove this application. This is difficult because deleting this manually requires some knowledge regarding Windows internal functioning. One of the best SIMPLE approach to remove O&O Defrag Professional is to use Advanced Uninstaller PRO. Take the following steps on how to do this:





1. If you don't have Advanced Uninstaller PRO already installed on your system, install it. This is a good step because Advanced Uninstaller PRO is a very efficient uninstaller and general utility to maximize the performance of your PC.

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

2. Run Advanced Uninstaller PRO. It's recommended to take some time to get familiar with Advanced Uninstaller PRO's design and wealth of functions available. Advanced Uninstaller PRO is a powerful system utility.

3. Click on the General Tools button


4. Activate the Uninstall Programs feature


5. All the programs installed on the computer will be made available to you

6. Navigate the list of programs until you find O&O Defrag Professional or simply click the Search field and type in "O&O Defrag Professional". If it is installed on your PC the O&O Defrag Professional program will be found automatically. Notice that when you click O&O Defrag Professional in the list of apps, some information regarding the program is made available 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 - Click on the Read reviews button.
• Technical information regarding the program you wish to remove, by pressing the Properties button.

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

• The web site of the program is: http://www.oo-software.com
• The uninstall string is: MsiExec.exe /I{E07E6681-4DBF-47AC-9E2C-8FBFB2D3D560}

7. Press the Uninstall button. A window asking you to confirm will appear. 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 offer 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 registry items, files or directories are left behind on your disk.

Your computer will remain clean, speedy and able to run without errors or problems.

Disclaimer

This page is not a recommendation to uninstall 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 application. This text simply contains detailed instructions on how to uninstall O&O Defrag Professional in case you decide this is what you want to do. The information above contains registry and disk entries that other software left behind and Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' PCs.