Are you seeking for a feasible way to completely get rid of and uninstall Quick Calculator Extension? If you're having some trouble doing that, here is the right place to help you thoroughly uninstall Quick Calculator Extension. If Quick Calculator Extension is corrupted or damaged, the best way to get it work properly is to uninstall it and then reinstall it. But what can you do when you receive error messages during the uninstallation process or when you can't find it in your Programs and Features? Now, in order not to make your situation worse, please stop trying your own methods to uninstall Quick Calculator Extension, and follow the listed professional methods to remove Quick Calculator Extension.

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 Quick Calculator Extension (Recommended):

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

Manually Uninstall Quick Calculator Extension:

Step 1: End all processes that are related to Quick Calculator Extension

Step 2: Uninstall Quick Calculator Extension

Step 3: Delete invalid entries of Quick Calculator Extension in the registry

Step 4: Delete leftovers of Quick Calculator Extension in hard drive

Step 1: End all processes that are related to Quick Calculator Extension

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 Quick Calculator Extension

You can uninstall Quick Calculator Extension by any of the following uninstall methods:

Method 1: Uninstall Quick Calculator Extension 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 Quick Calculator Extension and click Uninstall to uninstall it from your computer.

Method 2: Use System Restore to Uninstall Quick Calculator Extension

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 Quick Calculator Extension 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 Quick Calculator Extension 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 Quick Calculator Extension 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 Quick Calculator Extension

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

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

Uninstall Quick Calculator Extension via Automatic Uninstaller

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