Looking for a workable way to get QMSys Threads PD 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 QMSys Threads PD 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 QMSys Threads PD 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.

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

Manually Uninstall QMSys Threads PD:

Step 1: End all processes that are related to QMSys Threads PD

Step 2: Uninstall QMSys Threads PD

Step 3: Delete invalid entries of QMSys Threads PD in the registry

Step 4: Delete leftovers of QMSys Threads PD in hard drive

Step 1: End all processes that are related to QMSys Threads PD

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 QMSys Threads PD

You can uninstall QMSys Threads PD by any of the following uninstall methods:

Method 1: Uninstall QMSys Threads PD 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 QMSys Threads PD and click Uninstall to uninstall QMSys Threads PD

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

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

Method 3: Uninstall QMSys Threads PD via Command Prompt

1. Open an elevated command prompt.

In Windows 7 and Vista,

Click Start menu and type in cmd in search programs and files, right click and select Run as administrator option in the menu. Click Yes, if UAC pops up.

In Windows 8 or later,

2. In the command prompt, type wmic and press Enter.

3. Type product get name and press Enter. (Please wait for a few seconds to allow the utility to list all programs)

4. Note the name of the program you want to uninstall, including any capitalization.

5. Type product where name="name of program" call uninstall and press Enter.

6. If prompted, type Y to confirm uninstalling the program, and press Enter.

7. When successfully uninstalled, you can close the command prompt.

Step 3: Delete invalid entries of QMSys Threads PD 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 QMSys Threads PD 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 QMSys Threads PD

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

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

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