O&O Defrag Professional
How to uninstall O&O Defrag Professional from your PC
You can find below details on how to uninstall O&O Defrag Professional for Windows. The Windows version was created by
O&O Software GmbH. Further information on O&O Software GmbH can be found
here. Click on
http://www.oo-software.com to get more information about O&O Defrag Professional on O&O Software GmbH's website. O&O Defrag Professional is commonly set up in the C:\Program Files\OO Software\Defrag directory, however this location can vary a lot depending on the user's decision while installing the application. You can remove O&O Defrag Professional by clicking on the Start menu of Windows and pasting the command line MsiExec.exe /I{3C504D32-9981-46B7-9306-6546CFFA2410}. Keep in mind that you might be prompted for admin rights. The program's main executable file is named OODefragLauncher.exe and its approximative size is 160.80 KB (164656 bytes).
O&O Defrag Professional is comprised of the following executables which occupy 17.33 MB (
18171952 bytes) on disk:
- oodag.exe (3.70 MB)
- oodcmd.exe (2.58 MB)
- oodcnt.exe (5.01 MB)
- OODefragLauncher.exe (160.80 KB)
- OODefragMUI.exe (440.30 KB)
- OODefragTray.exe (161.80 KB)
- oodtrwnd.exe (436.80 KB)
- ooliveupdate.exe (3.40 MB)
- OOShellConfig.exe (183.30 KB)
- OOVisualDisk.exe (440.30 KB)
- OOAPB.exe (447.30 KB)
- OOStartupManager.exe (429.80 KB)
...click to view all...This info is about O&O Defrag Professional version
30.0.1053 alone. Click on the links below for other O&O Defrag Professional versions:
...click to view all...
A way to erase O&O Defrag Professional using Advanced Uninstaller PRO
O&O Defrag Professional is an application offered by the software company O&O Software GmbH. Sometimes, computer users try to remove this program. Sometimes this can be easier said than done because deleting this by hand takes some knowledge regarding Windows internal functioning. One of the best QUICK manner to remove 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, add it. This is a good step because Advanced Uninstaller PRO is a very potent uninstaller and general utility to clean your Windows PC.
DOWNLOAD NOW- go to Download Link
- download the setup by pressing the DOWNLOAD NOW button
- set up Advanced Uninstaller PRO
2. Run Advanced Uninstaller PRO. Take your time to admire Advanced Uninstaller PRO's interface and wealth of features available. Advanced Uninstaller PRO is a powerful system optimizer.
3. Press the General Tools button

4. Press the Uninstall Programs button

5. A list of the programs installed on your PC will be shown to you
6. Navigate 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 is installed on your PC the O&O Defrag Professional program will be found automatically. When you click O&O Defrag Professional in the list , the following information regarding the program is shown to you:
- Star rating (in the left lower corner). The star rating tells you the opinion other users have regarding O&O Defrag Professional, from "Highly recommended" to "Very dangerous".
- Reviews by other users - Press the Read reviews button.
- Technical information regarding the program you are about to remove, by pressing 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{3C504D32-9981-46B7-9306-6546CFFA2410}
7. Press the Uninstall button. A confirmation dialog will show up. Confirm the uninstall by pressing Uninstall. Advanced Uninstaller PRO will then uninstall O&O Defrag Professional.

8. After uninstalling O&O Defrag Professional, Advanced Uninstaller PRO will offer to run a cleanup. Press Next to start 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 uninstalling O&O Defrag Professional using Advanced Uninstaller PRO, you can be sure that no registry items, files or folders are left behind on your PC.
Your computer will remain clean, speedy and ready to serve you properly.
Disclaimer
This page is not a recommendation to uninstall O&O Defrag Professional by O&O Software GmbH from your computer, we are not saying that O&O Defrag Professional by O&O Software GmbH is not a good software application. This page simply contains detailed info on how to uninstall O&O Defrag Professional supposing you want to. The information above contains registry and disk entries that Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' PCs.
Last update on: 2025-09-17 18:18:07.333