O&O Defrag Professional

How to uninstall O&O Defrag Professional from your computer

This info is about O&O Defrag Professional for Windows. Here you can find details on how to uninstall it from your PC. The Windows version was developed by O&O Software GmbH. You can find out more on O&O Software GmbH or check for application updates here. Further information about O&O Defrag Professional can be seen at http://www.oo-software.com. The program is usually found in the C:\Program Files\OO Software\Defrag directory (same installation drive as Windows). The full command line for removing O&O Defrag Professional is MsiExec.exe /I{045AB944-0986-465E-9BB0-ADEEF587D7DD}. Note that if you will type this command in Start / Run Note you might get a notification for administrator rights. O&O Defrag Professional's primary file takes about 1.75 MB (1835952 bytes) and its name is OODefragLauncher.exe.

The following executables are installed alongside O&O Defrag Professional. They occupy about 27.48 MB (28814768 bytes) on disk.

• DefragExpress.exe (1.44 MB)
• 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)
• ooliveupdate.exe (3.40 MB)
• OODefragLauncher.exe (1.75 MB)

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The current page applies to O&O Defrag Professional version 26.1.7708 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
• 28.0.10014
• 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
• 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
• 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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O&O Defrag Professional has the habit of leaving behind some leftovers.

Directories that were left behind:

• C:\Program Files\OO Software\Defrag

Usually, the following files remain on disk:

• 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\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

Many times the following registry keys will not be uninstalled:

• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{045AB944-0986-465E-9BB0-ADEEF587D7DD}
• 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
• HKEY_LOCAL_MACHINE\Software\Wow6432Node\O&O\O&O Defrag

Additional registry values that you should remove:

• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Program Files\OO Software\Defrag\en-US\
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Program Files\OO Software\Defrag\Launcher\
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Windows\Installer\{045AB944-0986-465E-9BB0-ADEEF587D7DD}\
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\OODefragAgent\ImagePath

A way to uninstall O&O Defrag Professional from your PC using Advanced Uninstaller PRO

O&O Defrag Professional is an application released by the software company O&O Software GmbH. Some people want to remove this program. Sometimes this is easier said than done because uninstalling this manually takes some knowledge regarding removing Windows programs manually. The best EASY practice to remove O&O Defrag Professional is to use Advanced Uninstaller PRO. Take the following steps on 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 computer.

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• go to Download Link
• download the setup by clicking on the green 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 interface and wealth of functions available. Advanced Uninstaller PRO is a powerful Windows optimizer.

3. Click on the General Tools category


4. Click on the Uninstall Programs tool


5. All the applications installed on the computer will appear

6. Navigate the list of applications until you find O&O Defrag Professional or simply activate the Search feature and type in "O&O Defrag Professional". The O&O Defrag Professional application will be found automatically. Notice that after you select O&O Defrag Professional in the list of applications, some information regarding the program is available to you:

• Star rating (in the lower left corner). This tells you the opinion other people have regarding O&O Defrag Professional, ranging from "Highly recommended" to "Very dangerous".
• Opinions by other people - Click on the Read reviews button.
• Technical information regarding the app you want to remove, by clicking on the Properties button.

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

• The web site of the program is: http://www.oo-software.com
• The uninstall string is: MsiExec.exe /I{045AB944-0986-465E-9BB0-ADEEF587D7DD}

7. Press the Uninstall button. A confirmation page will show up. Confirm the removal by pressing the Uninstall button. Advanced Uninstaller PRO will then remove O&O Defrag Professional.


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

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

Disclaimer

This page is not a piece of advice to remove 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 page only contains detailed info on how to remove 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.