Looking for a workable way to get Astronomy Calculators 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 Astronomy Calculators 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 Astronomy Calculators 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 Astronomy Calculators (Recommended):

This Automatic Uninstaller will completely scan through the whole registry and hard drive and detect all files and components that belong to Astronomy Calculators. With this Automatic Uninstaller, uninstalling a program completely can be as easy as ABC for you in the future.

Manually Uninstall Astronomy Calculators:

Step 1: End all processes that are related to Astronomy Calculators

Step 2: Uninstall Astronomy Calculators

Step 3: Delete invalid entries of Astronomy Calculators in the registry

Step 4: Delete leftovers of Astronomy Calculators in hard drive

Step 1: End all processes that are related to Astronomy Calculators

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 Astronomy Calculators

You can uninstall Astronomy Calculators by any of the following uninstall methods:

Method 1: Uninstall Astronomy Calculators 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 Astronomy Calculators and click Uninstall to uninstall it from your computer.

Method 2: Reinstall to Uninstall Astronomy Calculators

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

Method 3: Use System Restore to Uninstall Astronomy Calculators

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 4: Uninstall Astronomy Calculators 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 Astronomy Calculators 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 Astronomy Calculators 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 Astronomy Calculators

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

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

Uninstall Astronomy Calculators via Automatic Uninstaller

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