O&O Defrag Professional

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

This web page contains thorough information on how to remove O&O Defrag Professional for Windows. The Windows release was created 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 info 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. You can uninstall O&O Defrag Professional by clicking on the Start menu of Windows and pasting the command line MsiExec.exe /I{DA1A82F5-FF13-4FC1-AD12-92753E945DE7}. Note that you might receive a notification for admin rights. OODefragLauncher.exe is the programs's main file and it takes approximately 1.25 MB (1305600 bytes) on disk.

O&O Defrag Professional is composed of the following executables which take 166.52 MB (174612048 bytes) on disk:

• DefragExpress.exe (142.31 MB)
• DriveLedTray.exe (39.77 KB)
• OOAPB.EXE (1.90 MB)
• oodag.exe (3.72 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 (3.40 MB)
• OODefragLauncher.exe (1.25 MB)

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This web page is about O&O Defrag Professional version 27.0.8042 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
• 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
• 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

...click to view all...
After the uninstall process, the application leaves leftovers on the PC. Some of these are shown below.

You should delete the folders below after you uninstall O&O Defrag Professional:

• C:\Program Files\OO Software\Defrag
• C:\UserNames\UserName\AppData\Local\O&O\O&O Defrag

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

• C:\Program Files\OO Software\Defrag\D3DCompiler_47_cor3.dll
• C:\Program Files\OO Software\Defrag\DefragExpress.exe
• 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\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:\UserNames\UserName\AppData\Local\O&O\O&O Defrag\ocx\ocxdata.oodguisettings
• C:\UserNames\UserName\AppData\Local\Temp\OO Software\OO LiveUpdate\20231028222129_O&O Defrag Professional.log
• C:\UserNames\UserName\AppData\Local\Temp\OO Software\OO LiveUpdate\20231028222206_O&O Defrag Professional.log
• C:\UserNames\UserName\AppData\Local\Temp\OO Software\OO LiveUpdate\20231028222218_O&O Defrag Professional.log
• C:\UserNames\UserName\AppData\Local\Temp\OO Software\OO LiveUpdate\20231028232455_O&O Defrag Professional.log
• C:\UserNames\UserName\AppData\Local\Temp\OO Software\OO LiveUpdate\20231028232526_O&O Defrag Professional.log
• C:\UserNames\UserName\AppData\Local\Temp\OO Software\OO LiveUpdate\20231028232537_O&O Defrag Professional.log
• C:\UserNames\UserName\AppData\Local\Temp\OO Software\OO LiveUpdate\20231028232543_O&O Defrag Professional.log
• C:\UserNames\UserName\AppData\Roaming\IObit\IObit Uninstaller\Log\O&O Defrag Professional.history
• C:\WINDOWS\Installer\{734CA130-3CAC-4F24-92BB-B6C8FCAA74A7}\app_icon.exe

Frequently the following registry keys will not be removed:

• HKEY_CURRENT_UserName\Software\O&O\O&O Defrag
• HKEY_CURRENT_UserName\Software\O&O\O&O LiveUpdate\O&O Defrag Professional
• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\5F28A1AD31FF1CF4DA212957E349D57E
• 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

Additional values that you should remove:

• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\5F28A1AD31FF1CF4DA212957E349D57E\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 delete O&O Defrag Professional from your PC with Advanced Uninstaller PRO

O&O Defrag Professional is an application released by O&O Software GmbH. Frequently, computer users choose to remove this application. This can be difficult because doing this manually requires some knowledge regarding Windows internal functioning. One of the best QUICK action to remove 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 system, add it. This is good because Advanced Uninstaller PRO is the best uninstaller and general tool to take care of your Windows computer.

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• visit Download Link
• download the program by pressing the DOWNLOAD button
• set up 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 wealth of tools available. Advanced Uninstaller PRO is a very good package of utilities.

3. Press the General Tools category


4. Click on the Uninstall Programs feature


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

6. Navigate the list of programs until you locate 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 application will be found very quickly. After you click O&O Defrag Professional in the list of applications, the following information about the application is shown to you:

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

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

• The software company is: http://www.oo-software.com
• The uninstall string is: MsiExec.exe /I{DA1A82F5-FF13-4FC1-AD12-92753E945DE7}

7. Click the Uninstall button. A confirmation page will appear. Confirm the uninstall by clicking Uninstall. Advanced Uninstaller PRO will automatically remove O&O Defrag Professional.


8. After uninstalling O&O Defrag Professional, Advanced Uninstaller PRO will offer to run a cleanup. Click Next to proceed with the cleanup. All the items of O&O Defrag Professional which 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 Windows registry entries, files or folders are left behind on your disk.

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

Disclaimer

This page is not a piece of advice 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 decide this is what you want to do. The information above contains registry and disk entries that our application Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' PCs.