O&O Defrag Professional

How to uninstall O&O Defrag Professional from your PC

O&O Defrag Professional is a Windows application. Read below about how to uninstall it from your PC. It is produced by O&O Software GmbH. Open here where you can find out more on O&O Software GmbH. Please open http://www.oo-software.com if you want to read more on O&O Defrag Professional on O&O Software GmbH's website. O&O Defrag Professional is normally installed in the C:\Program Files\OO Software\Defrag folder, regulated by the user's decision. The complete uninstall command line for O&O Defrag Professional is MsiExec.exe /I{F1751F3A-6EA9-4486-B804-8ACE621B7554}. The application's main executable file is named OODefragLauncher.exe and its approximative size is 1.75 MB (1835952 bytes).

O&O Defrag Professional is composed of the following executables which take 27.78 MB (29125040 bytes) on disk:

• DefragExpress.exe (1.44 MB)
• DriveLedTray.exe (37.42 KB)
• Keygen.exe (303.00 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 web page applies to O&O Defrag Professional version 26.1.7709 only. You can find below info on other application versions of O&O Defrag Professional:

• 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
• 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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After the uninstall process, the application leaves some files behind on the PC. Part_A few of these are listed below.

Folders left behind when you uninstall O&O Defrag Professional:

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

The files below are left behind on your disk by O&O Defrag Professional when you uninstall it:

• 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
• C:\Users\%user%\AppData\Local\O&O\O&O Defrag\ocx\ocxdata.oodguisettings
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20231010182811_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20231010183305_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20231010190825_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20231012164544_O&O Defrag Professional.log
• C:\Windows\Installer\{D295063F-D1BB-4631-A189-B0892705843D}\app_icon.exe

Use regedit.exe to manually remove from the Windows Registry the keys below:

• 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\A3F1571F9AE668448B40A8EC26B15745
• 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 registry values that you should remove:

• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\A3F1571F9AE668448B40A8EC26B15745\ProductName
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Program Files\OO Software\Defrag\
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\OODefragAgent\ImagePath

A way to remove O&O Defrag Professional using Advanced Uninstaller PRO

O&O Defrag Professional is a program marketed by the software company O&O Software GmbH. Sometimes, people choose to remove this program. Sometimes this can be hard because doing this by hand requires some advanced knowledge regarding removing Windows programs manually. One of the best SIMPLE 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 already installed on your Windows system, add it. This is a good step because Advanced Uninstaller PRO is one of the best uninstaller and all around tool to optimize your Windows computer.

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

2. Run Advanced Uninstaller PRO. It's recommended to take some time to admire Advanced Uninstaller PRO's interface and number of tools available. Advanced Uninstaller PRO is a powerful system optimizer.

3. Press the General Tools category


4. Click on the Uninstall Programs feature


5. A list of 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". If it is installed on your PC the O&O Defrag Professional program will be found very quickly. Notice that when you click O&O Defrag Professional in the list of applications, some information about the program is shown to you:

• Safety rating (in the lower left corner). The star rating tells you the opinion other users have about O&O Defrag Professional, ranging from "Highly recommended" to "Very dangerous".
• Opinions by other users - Press the Read reviews button.
• Details about the application 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{F1751F3A-6EA9-4486-B804-8ACE621B7554}

7. Click the Uninstall button. A confirmation window will appear. Confirm the uninstall by pressing Uninstall. Advanced Uninstaller PRO will then uninstall O&O Defrag Professional.


8. After removing O&O Defrag Professional, Advanced Uninstaller PRO will offer to run an additional cleanup. Click Next to perform the cleanup. All the items of O&O Defrag Professional which have been left behind will be found and you will be asked if you want to delete them. By removing O&O Defrag Professional with Advanced Uninstaller PRO, you are assured that no Windows registry items, files or folders are left behind on your system.

Your Windows PC will remain clean, speedy and ready to serve you properly.

Disclaimer

The text above is not a recommendation 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 for your computer. This text simply contains detailed info on how to remove O&O Defrag Professional in case you decide this is what you want to do. 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.