O&O Defrag Professional

How 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 remove it from your computer. It was developed for Windows by O&O Software GmbH. More info about O&O Software GmbH can be read here. More info about the program O&O Defrag Professional can be seen at http://www.oo-software.com. Usually the O&O Defrag Professional application is to be found in the C:\Program Files\OO Software\Defrag directory, depending on the user's option during setup. The entire uninstall command line for O&O Defrag Professional is MsiExec.exe /I{F043BE5B-491D-45FD-81C4-09B1C511927B}. O&O Defrag Professional's main file takes around 1.56 MB (1634304 bytes) and its name is OODefragLauncher.exe.

O&O Defrag Professional installs the following the executables on your PC, taking about 163.12 MB (171041528 bytes) on disk.

• DefragExpress.exe (141.92 MB)
• DriveLedTray.exe (39.77 KB)
• OOAPB.EXE (1.90 MB)
• oodag.exe (3.71 MB)
• oodcmd.exe (2.59 MB)
• oodcnt.exe (5.14 MB)
• oodsvct.exe (140.27 KB)
• oodtray.exe (4.92 MB)
• oodtrwnd.exe (961.77 KB)
• oodwrtlic.exe (175.27 KB)
• ooliveupdate.exe (80.74 KB)
• OODefragLauncher.exe (1.56 MB)

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The information on this page is only about version 28.2.10017 of O&O Defrag Professional. 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
• 18.10.101
• 20.0.419
• 16.0.139
• 28.1.10015
• 28.0.10014
• 18.10.103
• 23.0.3579
• 14.0.173
• 15.8.813
• 14.0.177
• 14.1.305
• 29.1.11206
• 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
• 29.1.11201
• 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
• 29.1.11203
• 29.0.11123
• 14.5.543
• 20.5.603
• 26.1.7702
• 28.2.10016
• 14.5.539
• 24.5.6601
• 15.0.83
• 28.0.10008
• 29.0.11118
• 17.5.559
• 23.5.5016
• 27.0.8041
• 27.0.8047
• 29.0.11110
• 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
• 28.2.10018
• 29.1.11205
• 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

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Following the uninstall process, the application leaves leftovers on the computer. Some of these are listed below.

Directories found on disk:

• 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 when you remove O&O Defrag Professional:

• C:\Program Files\OO Software\Defrag\D3DCompiler_47_cor3.dll
• C:\Program Files\OO Software\Defrag\de-DE\DriveLedTray.resources.dll
• C:\Program Files\OO Software\Defrag\de-DE\oodtrwnd.resources.dll
• C:\Program Files\OO Software\Defrag\DefragExpress.exe
• C:\Program Files\OO Software\Defrag\DriveLedTray.exe
• C:\Program Files\OO Software\Defrag\Launcher\OODefragLauncher.exe
• C:\Program Files\OO Software\Defrag\Microsoft.Toolkit.Uwp.Notifications.dll
• C:\Program Files\OO Software\Defrag\OOAPB.EXE
• 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\oodexttl.dll
• 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\PenImc_cor3.dll
• C:\Program Files\OO Software\Defrag\PresentationNative_cor3.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:\Program Files\OO Software\Defrag\vcruntime140_cor3.dll
• C:\Program Files\OO Software\Defrag\wpfgfx_cor3.dll
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20250204065715_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20250204065720_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20250204070402_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20250204070559_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20250204070647_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20250204070649_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20250204070727_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20250204070807_O&O Defrag Professional.log
• C:\Windows\Installer\{9C67A1B6-4A82-4A42-A04D-99AC03223EE7}\app_icon.exe

You will find in the Windows Registry that the following keys will not be uninstalled; 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\6B1A76C928A424A40AD499CA3022E37E
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{9C67A1B6-4A82-4A42-A04D-99AC03223EE7}
• HKEY_LOCAL_MACHINE\Software\O&O\O&O Defrag
• HKEY_LOCAL_MACHINE\Software\O&O\O&O LiveUpdate\O&O Defrag Professional

Additional registry values that you should clean:

• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\6B1A76C928A424A40AD499CA3022E37E\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\{9C67A1B6-4A82-4A42-A04D-99AC03223EE7}\
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\OODefragAgent\ImagePath

How to uninstall O&O Defrag Professional from your PC with the help of Advanced Uninstaller PRO

O&O Defrag Professional is a program released by the software company O&O Software GmbH. Frequently, computer users decide to remove it. This is efortful because removing this manually takes some know-how regarding removing Windows programs manually. The best EASY manner 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 system, install it. This is good because Advanced Uninstaller PRO is a very efficient uninstaller and all around utility to maximize the performance of your PC.

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• go to Download Link
• download the setup by pressing the green DOWNLOAD button
• set up Advanced Uninstaller PRO

2. Start Advanced Uninstaller PRO. Take your time to admire the program's design and number of features available. Advanced Uninstaller PRO is a very good package of tools.

3. Press the General Tools category


4. Activate the Uninstall Programs feature


5. All the applications installed on the PC will appear

6. Scroll the list of applications until you locate O&O Defrag Professional or simply activate the Search field and type in "O&O Defrag Professional". If it is installed on your PC the O&O Defrag Professional application will be found very quickly. When you click O&O Defrag Professional in the list of apps, the following information about the program is available to you:

• Safety rating (in the lower left corner). The star rating explains the opinion other users have about O&O Defrag Professional, from "Highly recommended" to "Very dangerous".
• Opinions by other users - Press the Read reviews button.
• Details about the app 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{F043BE5B-491D-45FD-81C4-09B1C511927B}

7. Click the Uninstall button. A window asking you to confirm will show up. Confirm the uninstall by clicking the Uninstall button. Advanced Uninstaller PRO will automatically remove O&O Defrag Professional.


8. After removing O&O Defrag Professional, Advanced Uninstaller PRO will ask you to run an additional cleanup. Press Next to perform 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 with Advanced Uninstaller PRO, you can be sure that no Windows registry entries, files or directories are left behind on your PC.

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

Disclaimer

The text above is not a recommendation to uninstall O&O Defrag Professional by O&O Software GmbH from your computer, nor are we saying that O&O Defrag Professional by O&O Software GmbH is not a good software application. This text only contains detailed instructions on how to uninstall O&O Defrag Professional supposing you want to. Here you can find registry and disk entries that Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' computers.