How can I uninstall O&O Defrag 10 Server Edition 50 Users completely from my computer? This question is not only asked by you. Many computer users are also searching for the solutions to remove O&O Defrag 10 Server Edition 50 Users from their computer systems. It's very easy to install a program, as what you need to do is to double click on its installer and follow its installer. But it becomes more complicated when you want to uninstall it completely from your computer, for you may run into various problems during the uninstallation process, such as strange error messages, failure to find it in Programs and Features. If you're searching for effective solutions to remove O&O Defrag 10 Server Edition 50 Users, please check the uninstall methods below.

Possible Error Caused by Incorrect Uninstall Methods

Error example

The above error messages are all caused by incomplete uninstallation of related programs. Incompletely uninstallation of a program will leave some invalid keys in the system registry, which will cause such error pop-ups when the system still executes them.

Automatically Uninstall O&O Defrag 10 Server Edition 50 Users (Recommended):

This specialized uninstaller can not only help you uninstall O&O Defrag 10 Server Edition 50 Users from the computer effectively, but also identify and delete all leftover files, folders and invalid registry entries belonging to O&O Defrag 10 Server Edition 50 Users.

Manually Uninstall O&O Defrag 10 Server Edition 50 Users:

Step 1: End all processes that are related to O&O Defrag 10 Server Edition 50 Users

Step 2: Uninstall O&O Defrag 10 Server Edition 50 Users

Step 3: Delete invalid entries of O&O Defrag 10 Server Edition 50 Users in the registry

Step 4: Delete leftovers of O&O Defrag 10 Server Edition 50 Users in hard drive

Step 1: End all processes that are related to O&O Defrag 10 Server Edition 50 Users

Hold Ctrl, Shift and Esc keys on the keyboard to open Task Manager. Then click on the related process and click End Process (in Windows 7, Vista) or End Task (in Windows 8) button.

Step 2: Uninstall O&O Defrag 10 Server Edition 50 Users

You can uninstall O&O Defrag 10 Server Edition 50 Users by any of the following uninstall methods:

Method 1: Uninstall O&O Defrag 10 Server Edition 50 Users via Control Panel

1. Press Windows key and R key to open Run command.

2. When Run command pops up, type in appwiz.cpl and then hit OK button.

3. Right click on O&O Defrag 10 Server Edition 50 Users and click Uninstall to uninstall O&O Defrag 10 Server Edition 50 Users

Note: Usually, computer users can uninstall programs like O&O Defrag 10 Server Edition 50 Users through Control Panel. But not everything can go as people wish and problems happen sometimes. For example, users may not be able to find O&O Defrag 10 Server Edition 50 Users in Control Panel, or the uninstallation is interrupted due to some strange errors. If problems happen unexpectedly and you really want to completely remove O&O Defrag 10 Server Edition 50 Users from your computer system, you need to perform the following steps and manually remove all of its files and components out of the system.

Method 2: Reinstall to Uninstall O&O Defrag 10 Server Edition 50 Users

If some of program files that are needed to uninstall O&O Defrag 10 Server Edition 50 Users are missing or corrupted, you may fail to uninstall it. Believe it or not, reinstalling O&O Defrag 10 Server Edition 50 Users may do the trick. If you still keep the original disk or the download file of O&O Defrag 10 Server Edition 50 Users, you can try that to repair the program. After repairing the program, you can try to uninstall it again.

Method 3: Uninstall O&O Defrag 10 Server Edition 50 Users via Virus Removal Tool

Some unwanted programs can install into your computer without being noticed, as they like to spread by attaching to free software and games that people often download online. Sometimes, you cannot remember when certain program was installed on your computer until you suffer a lot from its annoying pop-ups. Usually, this kind of potentially unwanted programs can escape from the detection of your installed antivirus. If you have tried the above methods but still fail to remove O&O Defrag 10 Server Edition 50 Users, it's really necessary for you to check whether it's a virus or not. Click and download this powerful Virus Removal Tool to check your PC. If it's a computer virus, it will be automatically deleted when you click Remove after the scan.

Method 4: Uninstall O&O Defrag 10 Server Edition 50 Users via Windows Registry

1. Open regedit. To do so, press Windows and R keys, type in regedit and hit Enter.

2. Navigate to the following key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall

3. Find the program you want to uninstall, search for a string value called UninstallString in the right panel.

4. Double-click on it and copy its value.

5. Press Windows and R keys, type in cmd to open command prompt.

6. Right click, paste the value and hit Enter key. After that, the program will begin to uninstall. Click Yes when it asks for your confirmation.

Note: If you have a 64-bit Windows system, you may need to navigate to the following key to look for 32-bit programs:

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall

Step 3: Delete invalid entries of O&O Defrag 10 Server Edition 50 Users in the registry

Video Guide: How to back up and edit the registry

Note: It's very important for you to know that the registry is one of the most important part of the Windows system, you should be extremely careful when deleting any keys in the registry. Any small mistake can result in severe problems or even system crash. So removing O&O Defrag 10 Server Edition 50 Users by editing the registry is only recommended to computer users with certain computer knowledge. If you don't want to take the risk to damage your computer system, it's recomended that you use this Automatic Registry Cleaner to clean invalid keys.

Step 4: End all processes that are related to O&O Defrag 10 Server Edition 50 Users

Even you uninstall O&O Defrag 10 Server Edition 50 Users in Control Panel and remove invalid keys in the registry, there are still some folders left in hard drive. To completely remove O&O Defrag 10 Server Edition 50 Users from your system, you can go to the following locations to delete the folders of O&O Defrag 10 Server Edition 50 Users.

C:\Program Files (x86)
C:\Program Files
C:\ProgramData
C:\Users\Default\AppData\Local
C:\Users\Default\AppData\Roaming

Uninstall O&O Defrag 10 Server Edition 50 Users via Automatic Uninstaller

Manually uninstalling O&O Defrag 10 Server Edition 50 Users cannot promise a 100% removal of O&O Defrag 10 Server Edition 50 Users, especially for computer users with little computer knowledge. If you have tried the above manual uninstall steps but still cannot get O&O Defrag 10 Server Edition 50 Users removed from your system, it's very necessary for you to use this Automatic Uninstaller to do it for you. With only a few clicks, you can easily uninstall any stubborn program from your computer system.