Looking for a workable way to get OptiWin 2.1 off your system? There are always many reasons that make you want to uninstall programs from your computer from time to time. To keep your computer work properly, it's always a good habit to uninstall OptiWin 2.1 you haven't used for a long time. However, we cannot have everything we wish for. There may be also many problems that make you not able to uninstall OptiWin 2.1 from your PC, such as program errors, program not listed in Programs and Features, corrupted programs and so on. Therefore, to help you out, we've also worked out a few workable methods as well.

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 OptiWin 2.1 (Recommended):

This specialized uninstaller can not only help you uninstall OptiWin 2.1 from the computer effectively, but also identify and delete all leftover files, folders and invalid registry entries belonging to OptiWin 2.1.

Manually Uninstall OptiWin 2.1:

Step 1: End all processes that are related to OptiWin 2.1

Step 2: Uninstall OptiWin 2.1

Step 3: Delete invalid entries of OptiWin 2.1 in the registry

Step 4: Delete leftovers of OptiWin 2.1 in hard drive

Step 1: End all processes that are related to OptiWin 2.1

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 OptiWin 2.1

You can uninstall OptiWin 2.1 by any of the following uninstall methods:

Method 1: Uninstall OptiWin 2.1 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 OptiWin 2.1 and click Uninstall to uninstall OptiWin 2.1

Note: Usually, computer users can uninstall programs like OptiWin 2.1 through Control Panel. But not everything can go as people wish and problems happen sometimes. For example, users may not be able to find OptiWin 2.1 in Control Panel, or the uninstallation is interrupted due to some strange errors. If problems happen unexpectedly and you really want to completely remove OptiWin 2.1 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: Uninstall OptiWin 2.1 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 OptiWin 2.1, 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 3: Uninstall OptiWin 2.1 using its Uninstall.exe

If you cannot find OptiWin 2.1 in Programs and Features, then you may be able to uninstall it thru its uninstall.exe.

a. For 32-bit Windows 7, Vista, 8 or later, open the C:\Program Files folder, open the program's folder (ex: WinRAR), and go to step 3 below.

b. For 64-bit Windows 7, Vista, 8 or later, open either the C:\Program Files folder for an installed 64-bit program or C:\Program Files (x86) folder for a installed 32-bit program, and open the program's folder (ex: WinRAR).

Method 4: Uninstall OptiWin 2.1 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 OptiWin 2.1 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 OptiWin 2.1 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 OptiWin 2.1

Even you uninstall OptiWin 2.1 in Control Panel and remove invalid keys in the registry, there are still some folders left in hard drive. To completely remove OptiWin 2.1 from your system, you can go to the following locations to delete the folders of OptiWin 2.1.

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

Uninstall OptiWin 2.1 using a Professional Third-Party Uninstaller

Many computer users don't like using the built-in uninstall utility in Windows Operating System to uninstall a program, because it often leaves behind some program files. Most of the time, a program will leave behind some files and keep your settings in your system. For example, some demo versions of program will leave some files saying that they have expired to prevent you from get another free trial again. Some programs even refuse to be uninstalled, as their publishers want to force users to keep using their programs or services. No matter what problem you run into during the uninstallation process, at this time, a professional third-party uninstaller is the best solution to completely get rid of an unwanted program, as it will forcibly and completely uninstall and remove any unwanted program off your computer with only a few clicks. Click and download this professional third-party Uninstaller now.