O&O Defrag Professional

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

O&O Defrag Professional is a Windows program. Read below about how to remove it from your computer. It is written by O&O Software GmbH. Further information on O&O Software GmbH can be seen here. More details about O&O Defrag Professional can be seen at http://www.oo-software.com. O&O Defrag Professional is typically set up in the C:\Program Files\OO Software\Defrag directory, however this location may differ a lot depending on the user's choice when installing the application. The full uninstall command line for O&O Defrag Professional is MsiExec.exe /I{B15B2393-3049-4C81-AEC7-0A4A6DE59B96}. OODefragLauncher.exe is the programs's main file and it takes circa 1.75 MB (1835952 bytes) on disk.

O&O Defrag Professional is composed of the following executables which take 23.30 MB (24429712 bytes) on disk:

• DefragExpress.exe (675.42 KB)
• DriveLedTray.exe (37.42 KB)
• OOAPB.EXE (1.90 MB)
• 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)
• OODefragLauncher.exe (1.75 MB)

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This data is about O&O Defrag Professional version 26.0.7639 only. You can find here a few links to 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
• 28.0.10014
• 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
• 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

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If you're planning to uninstall O&O Defrag Professional you should check 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

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

• C:\Program Files\OO Software\Defrag\DefragExpress.exe
• C:\Program Files\OO Software\Defrag\DefragReportReader.dll
• C:\Program Files\OO Software\Defrag\DriveLedTray.exe
• C:\Program Files\OO Software\Defrag\en-US\DefragExpress.resources.dll
• 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\Launcher\OODefragLauncher.exe
• C:\Program Files\OO Software\Defrag\Microsoft.Dism.dll
• 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\ood-dotnet-client.v23_0.dll
• 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\OOSoftware.Shared.Lib.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\Temp\OO Software\OO LiveUpdate\20240315215119_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240315215128_O&O Defrag Professional.log
• C:\Windows\Installer\{B15B2393-3049-4C81-AEC7-0A4A6DE59B96}\app_icon.exe

Registry keys:

• 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\3932B51B940318C4EA7CA0A4D65EB969
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{B15B2393-3049-4C81-AEC7-0A4A6DE59B96}
• 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 values:

• 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\3932B51B940318C4EA7CA0A4D65EB969\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\{B15B2393-3049-4C81-AEC7-0A4A6DE59B96}\
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\OODefragAgent\ImagePath

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

O&O Defrag Professional is an application offered by O&O Software GmbH. Frequently, users want to erase this program. This can be hard because doing this manually requires some advanced knowledge regarding removing Windows programs manually. The best SIMPLE practice 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 system, add it. This is good because Advanced Uninstaller PRO is a very useful uninstaller and general tool to clean your computer.

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

2. Start Advanced Uninstaller PRO. Take your time to get familiar with the program's design and number of functions available. Advanced Uninstaller PRO is a powerful program.

3. Press the General Tools button


4. Click on the Uninstall Programs feature


5. A list of the programs installed on your computer will be shown 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". The O&O Defrag Professional program will be found very quickly. After you click O&O Defrag Professional in the list of applications, the following data regarding the application is available to you:

• Safety rating (in the left lower corner). This explains 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.
• Details regarding the app you want to remove, by pressing the Properties button.

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

• The publisher is: http://www.oo-software.com
• The uninstall string is: MsiExec.exe /I{B15B2393-3049-4C81-AEC7-0A4A6DE59B96}

7. Click the Uninstall button. A confirmation dialog will come up. Confirm the uninstall by clicking the Uninstall button. Advanced Uninstaller PRO will uninstall O&O Defrag Professional.


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

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

Disclaimer

This page is not a piece of advice to remove 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 page only contains detailed instructions on how to remove O&O Defrag Professional in case you want to. The information above contains registry and disk entries that other software left behind and Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' computers.