O&O Defrag Professional

How to uninstall O&O Defrag Professional from your computer

You can find on this page detailed information on how to uninstall O&O Defrag Professional for Windows. It is developed by O&O Software GmbH. Additional info about O&O Software GmbH can be found here. More data about the program O&O Defrag Professional can be seen at http://www.oo-software.com. The application is often installed in the C:\Program Files\OO Software\Defrag directory. Keep in mind that this location can differ being determined by the user's choice. The full uninstall command line for O&O Defrag Professional is MsiExec.exe /I{55DD54FE-A8CC-42DA-98DA-F89925EE0D90}. The program's main executable file occupies 5.11 MB (5354360 bytes) on disk and is labeled oodcnt.exe.

O&O Defrag Professional installs the following the executables on your PC, occupying about 17.85 MB (18716656 bytes) on disk.

• oodag.exe (1.62 MB)
• oodcmd.exe (2.59 MB)
• oodcnt.exe (5.11 MB)
• oodsvct.exe (108.37 KB)
• oodtray.exe (4.89 MB)
• oodwrtlic.exe (135.87 KB)
• ooliveupdate.exe (3.40 MB)

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The information on this page is only about version 23.5.5015 of O&O Defrag Professional. You can find below a few links to 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
• 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
• 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.

You should delete the folders below after you uninstall O&O Defrag Professional:

• C:\Program Files\OO Software\Defrag
• C:\Users\%user%\AppData\Local\O&O\O&O Defrag
• C:\Users\%user%\AppData\Local\VS Revo Group\Revo Uninstaller Pro\BackUpsData\O&O Defrag Tray.lnk-22062015-191544

Files remaining:

• 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\oodpep.dll
• 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\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\rpcdiskstatscan.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\20200509095735_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20200509095746_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20200509095750_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20200509100224_O&O Defrag Professional.log
• C:\Users\%user%\AppData\Local\Temp\OO Software\OO LiveUpdate\20200509100229_O&O Defrag Professional.log
• C:\Windows\Installer\{BCE96363-1960-45C3-9CB3-A5D60295A131}\app_icon.exe

Registry that is not removed:

• 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\EF45DD55CC8AAD2489AD8F9952EED009
• 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

Use regedit.exe to remove the following additional values from the Windows Registry:

• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\EF45DD55CC8AAD2489AD8F9952EED009\ProductName
• HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Program Files\OO Software\Defrag\
• HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\OODefragAgent\ImagePath

How to remove O&O Defrag Professional using Advanced Uninstaller PRO

O&O Defrag Professional is an application released by O&O Software GmbH. Some people decide to remove this program. Sometimes this can be easier said than done because deleting this by hand requires some know-how regarding Windows internal functioning. One of the best QUICK way 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 good because Advanced Uninstaller PRO is one of the best uninstaller and all around utility to maximize the performance of your Windows system.

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• go to Download Link
• download the program by clicking on the DOWNLOAD button
• install Advanced Uninstaller PRO

2. Start Advanced Uninstaller PRO. Take your time to admire the program's design and wealth of features available. Advanced Uninstaller PRO is a very good package of utilities.

3. Press the General Tools button


4. Click on the Uninstall Programs tool


5. A list of the applications existing on the PC will be made available to you

6. Navigate the list of applications 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 program will be found automatically. When you click O&O Defrag Professional in the list , the following data about the application is shown to you:

• Star rating (in the left lower corner). This explains 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.
• Technical information about the application you want to uninstall, by clicking on 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{55DD54FE-A8CC-42DA-98DA-F89925EE0D90}

7. Press the Uninstall button. A confirmation window will come up. Confirm the uninstall by clicking the Uninstall button. Advanced Uninstaller PRO will remove O&O Defrag Professional.


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

Your PC will remain clean, speedy and ready to take on new tasks.

Disclaimer

This page is not a piece of advice to remove O&O Defrag Professional by O&O Software GmbH from your PC, we are not saying that O&O Defrag Professional by O&O Software GmbH is not a good application for your computer. This page simply contains detailed info on how to remove O&O Defrag Professional in case you want to. Here you can find registry and disk entries that our application Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' PCs.