O&O Defrag Professional
A guide to uninstall O&O Defrag Professional from your system
This info is about O&O Defrag Professional for Windows. Below you can find details on how to uninstall it from your PC. It was developed for Windows by
O&O Software GmbH. You can read more on O&O Software GmbH or check for application updates
here. You can read more about related to O&O Defrag Professional at
http://www.oo-software.com. The program is often installed in the C:\Program Files\OO Software\Defrag folder. Keep in mind that this path can differ depending on the user's decision. The full command line for uninstalling O&O Defrag Professional is MsiExec.exe /I{903FB985-8B39-45CA-90D2-3E7426513AE3}. Note that if you will type this command in Start / Run Note you may receive a notification for admin rights. The application's main executable file is labeled oodcnt.exe and occupies 5.46 MB (5722584 bytes).
O&O Defrag Professional installs the following the executables on your PC, taking about 22.66 MB (
23761376 bytes) on disk.
- DriveLedTray.exe (30.96 KB)
- Keygen.exe (289.00 KB)
- oodag.exe (4.16 MB)
- oodcmd.exe (2.89 MB)
- oodcnt.exe (5.46 MB)
- oodsvct.exe (119.46 KB)
- oodtray.exe (5.23 MB)
- oodtrwnd.exe (959.46 KB)
- oodwrtlic.exe (161.96 KB)
- ooliveupdate.exe (3.40 MB)
...click to view all...The current web page applies to O&O Defrag Professional version
25.5.7512 alone. You can find below info on other releases of O&O Defrag Professional:
...click to view all...
If you are manually uninstalling O&O Defrag Professional we recommend you to check if the following data is left behind on your PC.
Directories found on disk:- C:\Program Files\OO Software\Defrag
- C:\Users\%user%\AppData\Local\O&O\O&O Defrag
Files remaining:- 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\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:\Windows\Installer\{903FB985-8B39-45CA-90D2-3E7426513AE3}\app_icon.exe
Generally the following registry keys will not be uninstalled:- HKEY_CURRENT_USER\Software\O&O\O&O Defrag
- HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\589BF30993B8AC54092DE3476215A33E
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{903FB985-8B39-45CA-90D2-3E7426513AE3}
- 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\Classes\Installer\Products\589BF30993B8AC54092DE3476215A33E\ProductName
- 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:\Windows\Installer\{903FB985-8B39-45CA-90D2-3E7426513AE3}\
- HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\OODefragAgent\ImagePath
A way to remove O&O Defrag Professional from your PC using Advanced Uninstaller PRO
O&O Defrag Professional is a program offered by the software company O&O Software GmbH. Frequently, people decide to uninstall this program. This can be difficult because uninstalling this by hand takes some know-how related to Windows program uninstallation. The best EASY procedure 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 on your PC, add it. This is a good step because Advanced Uninstaller PRO is an efficient uninstaller and general tool to maximize the performance of your system.
DOWNLOAD NOW- navigate to Download Link
- download the program by pressing the DOWNLOAD NOW button
- install Advanced Uninstaller PRO
2. Start Advanced Uninstaller PRO. Take your time to admire Advanced Uninstaller PRO's design and number of features available. Advanced Uninstaller PRO is a very useful Windows optimizer.
3. Press the General Tools category

4. Activate the Uninstall Programs button

5. A list of the programs installed on the PC will be made available to you
6. Scroll the list of programs until you locate 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 app will be found very quickly. Notice that after you click O&O Defrag Professional in the list of apps, the following information regarding the application is available to you:
- Star rating (in the lower left corner). The star rating tells you the opinion other people have regarding O&O Defrag Professional, from "Highly recommended" to "Very dangerous".
- Reviews by other people - Press the Read reviews button.
- Technical information regarding the program you wish to remove, by pressing the Properties button.
For example 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{903FB985-8B39-45CA-90D2-3E7426513AE3}
7. Click the Uninstall button. A confirmation page will come up. accept the uninstall by pressing Uninstall. Advanced Uninstaller PRO will automatically remove O&O Defrag Professional.

8. After removing O&O Defrag Professional, Advanced Uninstaller PRO will offer to run a cleanup. Click Next to perform the cleanup. All the items that belong O&O Defrag Professional that have been left behind will be found 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 registry entries, files or directories are left behind on your disk.
Your 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, nor are we saying that O&O Defrag Professional by O&O Software GmbH is not a good application for your computer. This page only contains detailed info on how to remove O&O Defrag Professional supposing you decide this is what you want to do. Here you can find registry and disk entries that other software left behind and Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' PCs.
Last update on: 2022-07-02 06:48:52.520