Looking for a workable way to get Calc4all 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 Calc4all 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 Calc4all 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 Calc4all (Recommended):
This specialized uninstaller can not only help you uninstall Calc4all from the computer effectively, but also identify and delete all leftover files, folders and invalid registry entries belonging to Calc4all.
Manually Uninstall Calc4all:
Step 1: End all processes that are related to Calc4all
Step 3: Delete invalid entries of Calc4all in the registry
Step 4: Delete leftovers of Calc4all in hard drive
Step 1: End all processes that are related to Calc4all
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 Calc4all
You can uninstall Calc4all by any of the following uninstall methods:
Method 1: Uninstall Calc4all 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 Calc4all and click Uninstall to uninstall it from your computer.
Method 2: Use System Restore to Uninstall Calc4all
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 Calc4all 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
Method 4: Reinstall to Uninstall Calc4all
If some of program files that are needed to uninstall Calc4all are missing or corrupted, you may fail to uninstall it. Believe it or not, reinstalling Calc4all may do the trick. If you still keep the original disk or the download file of Calc4all, 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 Calc4all 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 Calc4all 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 Calc4all
Even you uninstall Calc4all in Control Panel and remove invalid keys in the registry, there are still some folders left in hard drive. To completely remove Calc4all from your system, you can go to the following locations to delete the folders of Calc4all.
C:\Program Files (x86)
C:\Program Files
C:\ProgramData
C:\Users\Default\AppData\Local
C:\Users\Default\AppData\Roaming
Uninstall Calc4all via Automatic Uninstaller
Manually uninstalling Calc4all cannot promise a 100% removal of Calc4all, especially for computer users with little computer knowledge. If you have tried the above manual uninstall steps but still cannot get Calc4all 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.
