O&O Defrag Professional

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

This web page contains detailed information on how to remove O&O Defrag Professional for Windows. The Windows version was created by O&O Software GmbH. You can read more on O&O Software GmbH or check for application updates here. More details about the application 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, but this location may differ a lot depending on the user's choice while installing the application. O&O Defrag Professional's full uninstall command line is MsiExec.exe /I{A4656094-E9B8-4A55-9401-E4C616A9D6F5}. O&O Defrag Professional's main file takes around 5.45 MB (5719920 bytes) and its name is oodcnt.exe.

O&O Defrag Professional is comprised of the following executables which take 22.45 MB (23537456 bytes) on disk:

• oodag.exe (4.27 MB)
• oodcmd.exe (2.89 MB)
• oodcnt.exe (5.45 MB)
• oodsvct.exe (116.86 KB)
• oodtray.exe (5.23 MB)
• oodtrwnd.exe (955.36 KB)
• oodwrtlic.exe (159.36 KB)
• ooliveupdate.exe (3.40 MB)

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The current page applies to O&O Defrag Professional version 25.0.7210 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
• 28.1.10015
• 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
• 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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Some files and registry entries are regularly left behind when you uninstall O&O Defrag Professional.

Folders that were left behind:

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

Check for and remove the following files from your disk when you uninstall O&O Defrag Professional:

• C:\Program Files\OO Software\Defrag\DriveLED-DeskBand.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\20241009231546_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20241009231753_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20241009231813_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20241009232808_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20241010003259_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20241010091214_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20241010095513_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20241010095902_O&O Defrag Professional.log
• C:\Windows\Installer\{8EC50FC7-1DD5-46AE-AADE-1A0651FA6150}\app_icon.exe

Generally the following registry keys will not be uninstalled:

• 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\7CF05CE85DD1EA64AAEDA16015AF1605
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{8EC50FC7-1DD5-46AE-AADE-1A0651FA6150}
• HKEY_LOCAL_MACHINE\Software\O&O\O&O Defrag
• HKEY_LOCAL_MACHINE\Software\O&O\O&O LiveUpdate\O&O Defrag Professional

Open regedit.exe in order to remove the following registry values:

• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Program Files\OO Software\Defrag\oodtrwnd.exe.ApplicationCompany
• HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Program Files\OO Software\Defrag\oodtrwnd.exe.FriendlyAppName
• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\7CF05CE85DD1EA64AAEDA16015AF1605\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\{8EC50FC7-1DD5-46AE-AADE-1A0651FA6150}\
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\OODefragAgent\ImagePath

How to delete O&O Defrag Professional from your computer using Advanced Uninstaller PRO

O&O Defrag Professional is an application offered by the software company O&O Software GmbH. Some computer users try to uninstall it. Sometimes this can be hard because uninstalling this by hand takes some skill regarding removing Windows applications by hand. The best SIMPLE practice to uninstall 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 already installed on your Windows PC, install it. This is good because Advanced Uninstaller PRO is the best uninstaller and all around utility to clean your Windows system.

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• visit Download Link
• download the program by clicking on the green DOWNLOAD NOW button
• install Advanced Uninstaller PRO

2. Run Advanced Uninstaller PRO. Take some time to get familiar with the program's design and wealth of tools available. Advanced Uninstaller PRO is a very good package of tools.

3. Click on the General Tools button


4. Click on the Uninstall Programs feature


5. All the applications existing on your computer will appear

6. Navigate the list of applications until you locate O&O Defrag Professional or simply activate the Search field and type in "O&O Defrag Professional". The O&O Defrag Professional program will be found automatically. After you click O&O Defrag Professional in the list , some data regarding the application is made available to you:

• Star rating (in the left lower corner). The star rating explains the opinion other people have regarding O&O Defrag Professional, from "Highly recommended" to "Very dangerous".
• Reviews by other people - Click on the Read reviews button.
• Details regarding the app you want to uninstall, by clicking on 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{A4656094-E9B8-4A55-9401-E4C616A9D6F5}

7. Click the Uninstall button. A confirmation page will appear. accept the removal by pressing the Uninstall button. Advanced Uninstaller PRO will uninstall O&O Defrag Professional.


8. After removing O&O Defrag Professional, Advanced Uninstaller PRO will offer to run an additional cleanup. Press Next to start the cleanup. All the items that belong 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 with Advanced Uninstaller PRO, you can be sure that no Windows registry entries, files or folders are left behind on your PC.

Your Windows PC will remain clean, speedy and ready to run without errors or problems.

Disclaimer

The text above is not a piece of advice to uninstall O&O Defrag Professional by O&O Software GmbH from your PC, nor are we 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 want to. The information above contains registry and disk entries that our application Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' PCs.