O&O Defrag Professional

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

O&O Defrag Professional is a software application. This page is comprised of details on how to remove it from your computer. The Windows version was developed by O&O Software GmbH. Further information on O&O Software GmbH can be seen here. Please follow http://www.oo-software.com if you want to read more on O&O Defrag Professional on O&O Software GmbH's website. Usually the O&O Defrag Professional application is placed in the C:\Program Files\OO Software\Defrag folder, depending on the user's option during install. O&O Defrag Professional's full uninstall command line is MsiExec.exe /I{2DEEC9C4-FF6C-496B-A6B8-ACE12E304B1A}. OODefragLauncher.exe is the programs's main file and it takes about 1.25 MB (1305600 bytes) on disk.

O&O Defrag Professional installs the following the executables on your PC, occupying about 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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The current page applies to O&O Defrag Professional version 27.0.8038 alone. 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
• 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
• 28.2.10017
• 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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If you are manually uninstalling O&O Defrag Professional we recommend you to verify if the following data is left behind on your PC.

Folders remaining:

• 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\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\Keygen.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\O&O\O&O Defrag\ocx\ocxdata.oodguisettings
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240806013843_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240806013854_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240806013855_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240806013856_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240806014138_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240806014140_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240806014440_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240806014457_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20240806104255_O&O Defrag Professional.log
• C:\Windows\Installer\{734CA130-3CAC-4F24-92BB-B6C8FCAA74A7}\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\Microsoft\Windows\CurrentVersion\Uninstall\{734CA130-3CAC-4F24-92BB-B6C8FCAA74A7}
• 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

Registry values that are not removed from your PC:

• 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\{734CA130-3CAC-4F24-92BB-B6C8FCAA74A7}\

How to remove O&O Defrag Professional from your computer with the help of Advanced Uninstaller PRO

O&O Defrag Professional is an application released by O&O Software GmbH. Some computer users try to remove it. This can be troublesome because doing this manually takes some experience regarding removing Windows applications by hand. The best EASY procedure 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 a good step because Advanced Uninstaller PRO is a very potent uninstaller and all around utility to take care of your system.

DOWNLOAD NOW

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

2. Start Advanced Uninstaller PRO. Take some time to get familiar with the program's interface and wealth of tools available. Advanced Uninstaller PRO is a powerful PC management program.

3. Press the General Tools category


4. Press the Uninstall Programs button


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

6. Scroll 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 exists on your system the O&O Defrag Professional app will be found automatically. After you click O&O Defrag Professional in the list , some information about the program is made available to you:

• Star rating (in the lower left corner). The star rating tells you the opinion other users have about O&O Defrag Professional, from "Highly recommended" to "Very dangerous".
• Reviews by other users - Press the Read reviews button.
• Technical information about the app you want to remove, by pressing the Properties button.

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

• The web site of the application is: http://www.oo-software.com
• The uninstall string is: MsiExec.exe /I{2DEEC9C4-FF6C-496B-A6B8-ACE12E304B1A}

7. Click the Uninstall button. A window asking you to confirm will come up. Confirm the uninstall by clicking the Uninstall button. Advanced Uninstaller PRO will then 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 that belong O&O Defrag Professional which have been left behind will be found and you will be able to delete them. By removing O&O Defrag Professional with Advanced Uninstaller PRO, you can be sure that no Windows registry items, files or folders are left behind on your computer.

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

Disclaimer

The text above is not a piece of advice to remove O&O Defrag Professional by O&O Software GmbH from your PC, we are not saying that O&O Defrag Professional by O&O Software GmbH is not a good application. This page simply contains detailed instructions on how to remove O&O Defrag Professional in case you decide this is what you want to do. Here you can find registry and disk entries that Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' PCs.