How can I uninstall O-O Defrag Free Edition 14.1 Build 431 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 Free Edition 14.1 Build 431 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 Free Edition 14.1 Build 431, 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 Free Edition 14.1 Build 431 (Recommended):

This specialized uninstaller can not only help you uninstall O-O Defrag Free Edition 14.1 Build 431 from the computer effectively, but also identify and delete all leftover files, folders and invalid registry entries belonging to O-O Defrag Free Edition 14.1 Build 431.

Manually Uninstall O-O Defrag Free Edition 14.1 Build 431:

Step 1: End all processes that are related to O-O Defrag Free Edition 14.1 Build 431

Step 2: Uninstall O-O Defrag Free Edition 14.1 Build 431

Step 3: Delete invalid entries of O-O Defrag Free Edition 14.1 Build 431 in the registry

Step 4: Delete leftovers of O-O Defrag Free Edition 14.1 Build 431 in hard drive

Step 1: End all processes that are related to O-O Defrag Free Edition 14.1 Build 431

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 Free Edition 14.1 Build 431

You can uninstall O-O Defrag Free Edition 14.1 Build 431 by any of the following uninstall methods:

Method 1: Uninstall O-O Defrag Free Edition 14.1 Build 431 via Control Panel

1. Open Programs and Features.

In Windows 7 and Vista,

a. Click Start menu and click Control Panel

b. Select View by Category and click Uninstall a program

In Windows 8 or later,

Hover the cursor in the bottom-left corner of the screen, right-click on the Start button when a small image of the Start Screen appears and select Programs and Features

2. Click on O-O Defrag Free Edition 14.1 Build 431 and click Uninstall to uninstall it from your computer.

Method 2: Use System Restore to Uninstall O-O Defrag Free Edition 14.1 Build 431

System Restore is a useful built-in utility that allows computer users to roll back to the previous state when the computer works properly. If you have a habit of creating a system restore point before installing a new program, you can roll back to this system restore point if this new piece of program is not up to your expectation or cannot be uninstalled from your computer properly.

Method 3: Uninstall O-O Defrag Free Edition 14.1 Build 431 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 Free Edition 14.1 Build 431, 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: Reinstall to Uninstall O-O Defrag Free Edition 14.1 Build 431

If some of program files that are needed to uninstall O-O Defrag Free Edition 14.1 Build 431 are missing or corrupted, you may fail to uninstall it. Believe it or not, reinstalling O-O Defrag Free Edition 14.1 Build 431 may do the trick. If you still keep the original disk or the download file of O-O Defrag Free Edition 14.1 Build 431, you can try that to repair the program. After repairing the program, you can try to uninstall it again.

Step 3: Delete invalid entries of O-O Defrag Free Edition 14.1 Build 431 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 Free Edition 14.1 Build 431 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 Free Edition 14.1 Build 431

Even you uninstall O-O Defrag Free Edition 14.1 Build 431 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 Free Edition 14.1 Build 431 from your system, you can go to the following locations to delete the folders of O-O Defrag Free Edition 14.1 Build 431.

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

Uninstall O-O Defrag Free Edition 14.1 Build 431 via Automatic Uninstaller

Manually uninstalling O-O Defrag Free Edition 14.1 Build 431 cannot promise a 100% removal of O-O Defrag Free Edition 14.1 Build 431, especially for computer users with little computer knowledge. If you have tried the above manual uninstall steps but still cannot get O-O Defrag Free Edition 14.1 Build 431 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.