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

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

Manually Uninstall QLPrism:

Step 1: End all processes that are related to QLPrism

Step 2: Uninstall QLPrism

Step 3: Delete invalid entries of QLPrism in the registry

Step 4: Delete leftovers of QLPrism in hard drive

Step 1: End all processes that are related to QLPrism

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 QLPrism

You can uninstall QLPrism by any of the following uninstall methods:

Method 1: Uninstall QLPrism 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 QLPrism and click Uninstall to uninstall QLPrism

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

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

Method 3: Uninstall QLPrism 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 QLPrism, 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.

Step 3: Delete invalid entries of QLPrism 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 QLPrism 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 QLPrism

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

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

Uninstall QLPrism via Automatic Uninstaller

Not every program can be easily uninstalled by the above manual uninstall methods, as not everyone of us are good at computers and manually editing computer settings. We may fail to uninstall a program successfully due to various reasons, such as missing necessary files, strange error messages, and no permission to uninstall the program. At this time, a professional third-party uninstaller will be very handy to help us easily and completely get rid of any unwanted program off our computer system. With only a few clicks, this powerful third-party uninstaller can automatically scan and identify all files and components related to QLPrism and then completely remove QLPrism. Click and download this professional Automatic Uninstaller below to uninstall your program now.