How can I uninstall quick3D Viewer 4.0 completely from my computer? This question is not only asked by you. Many computer users are also searching for the solutions to remove quick3D Viewer 4.0 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 quick3D Viewer 4.0, 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 quick3D Viewer 4.0 (Recommended):

This specialized uninstaller can not only help you uninstall quick3D Viewer 4.0 from the computer effectively, but also identify and delete all leftover files, folders and invalid registry entries belonging to quick3D Viewer 4.0.

Manually Uninstall quick3D Viewer 4.0:

Step 1: End all processes that are related to quick3D Viewer 4.0

Step 2: Uninstall quick3D Viewer 4.0

Step 3: Delete invalid entries of quick3D Viewer 4.0 in the registry

Step 4: Delete leftovers of quick3D Viewer 4.0 in hard drive

Step 1: End all processes that are related to quick3D Viewer 4.0

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 quick3D Viewer 4.0

You can uninstall quick3D Viewer 4.0 by any of the following uninstall methods:

Method 1: Uninstall quick3D Viewer 4.0 in Programs and Features

1. Open Programs and Features.

In Windows 7 and Vista,

Click Start menu, type in programs and feature and click on it to open.

In Windows 8 or later,

a. When in the "Start" screen, click Settings and type in programs and features

b. Click on Programs and Features from the Settings search results

2. Click on quick3D Viewer 4.0 and click Uninstall to uninstall it from your computer.

Method 2: Reinstall to Uninstall quick3D Viewer 4.0

If some of program files that are needed to uninstall quick3D Viewer 4.0 are missing or corrupted, you may fail to uninstall it. Believe it or not, reinstalling quick3D Viewer 4.0 may do the trick. If you still keep the original disk or the download file of quick3D Viewer 4.0, you can try that to repair the program. After repairing the program, you can try to uninstall it again.

Method 3: Uninstall quick3D Viewer 4.0 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 quick3D Viewer 4.0, 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 quick3D Viewer 4.0 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:


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:


Step 3: Delete invalid entries of quick3D Viewer 4.0 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 quick3D Viewer 4.0 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 quick3D Viewer 4.0

Even you uninstall quick3D Viewer 4.0 in Control Panel and remove invalid keys in the registry, there are still some folders left in hard drive. To completely remove quick3D Viewer 4.0 from your system, you can go to the following locations to delete the folders of quick3D Viewer 4.0.

C:\Program Files (x86)
C:\Program Files

Uninstall quick3D Viewer 4.0 via Automatic Uninstaller

Manually uninstalling quick3D Viewer 4.0 cannot promise a 100% removal of quick3D Viewer 4.0, especially for computer users with little computer knowledge. If you have tried the above manual uninstall steps but still cannot get quick3D Viewer 4.0 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.