Download Npqtplugin4.dll for Windows 10, 8.1, 8, 7, Vista and XP

Npqtplugin4.dll download. The Npqtplugin4.dll file is a dynamic link library for Windows 10, 8.1, 8, 7, Vista and XP. You can fix "The file Npqtplugin4.dll is missing." and "Npqtplugin4.dll not found." errors by downloading and installing this file from our site.
Download Price:
Free
Dll Description:
The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
Versions:
Size:
0.03 MB
Operating Systems:
Directory:
N
Downloads:
466 times.

What is Npqtplugin4.dll?

The size of this dynamic link library is 0.03 MB and its download links are healthy. It has been downloaded 466 times already.

Operating Systems Compatible with the Npqtplugin4.dll Library

Other Versions of the Npqtplugin4.dll Library

The latest version of the Npqtplugin4.dll library is 6.5.1 version. This dynamic link library only has one version. There is no other version that can be downloaded.

  1. 6.5.1 - 32 Bit (x86) Download directly this version now

How to Download Npqtplugin4.dll Library?

  1. First, click on the green-colored "Download" button in the top left section of this page (The button that is marked in the picture).
    Start downloading the Npqtplugin4.dll library
    Step 1:Start downloading the Npqtplugin4.dll library
  2. "After clicking the Download" button, wait for the download process to begin in the "Downloading" page that opens up. Depending on your Internet speed, the download process will begin in approximately 4 -5 seconds.

How to Install Npqtplugin4.dll? How to Fix Npqtplugin4.dll Errors?

ATTENTION! Before starting the installation, the Npqtplugin4.dll library needs to be downloaded. If you have not downloaded it, download the library before continuing with the installation steps. If you don't know how to download it, you can immediately browse the dll download guide above.

Method 1: Copying the Npqtplugin4.dll Library to the Windows System Directory

  1. The file you downloaded is a compressed file with the extension ".zip". This file cannot be installed. To be able to install it, first you need to extract the dynamic link library from within it. So, first double-click the file with the ".zip" extension and open the file.
  2. You will see the library named "Npqtplugin4.dll" in the window that opens. This is the library you need to install. Click on the dynamic link library with the left button of the mouse. By doing this, you select the library.
    Choosing the Npqtplugin4.dll library
    Step 2:Choosing the Npqtplugin4.dll library
  3. Click on the "Extract To" button, which is marked in the picture. In order to do this, you will need the Winrar program. If you don't have the program, it can be found doing a quick search on the Internet and you can download it (The Winrar program is free).
  4. After clicking the "Extract to" button, a window where you can choose the location you want will open. Choose the "Desktop" location in this window and extract the dynamic link library to the desktop by clicking the "Ok" button.
    Extracting the Npqtplugin4.dll library to the desktop
    Step 3:Extracting the Npqtplugin4.dll library to the desktop
  5. Copy the "Npqtplugin4.dll" library file you extracted.
  6. Paste the dynamic link library you copied into the "C:\Windows\System32" directory.
    Pasting the Npqtplugin4.dll library into the Windows/System32 directory
    Step 4:Pasting the Npqtplugin4.dll library into the Windows/System32 directory
  7. If you are using a 64 Bit operating system, copy the "Npqtplugin4.dll" library and paste it into the "C:\Windows\sysWOW64" as well.
    NOTE! On Windows operating systems with 64 Bit architecture, the dynamic link library must be in both the "sysWOW64" directory as well as the "System32" directory. In other words, you must copy the "Npqtplugin4.dll" library into both directories.
    Pasting the Npqtplugin4.dll library into the Windows/sysWOW64 directory
    Step 5:Pasting the Npqtplugin4.dll library into the Windows/sysWOW64 directory
  8. In order to run the Command Line as an administrator, complete the following steps.
    NOTE! In this explanation, we ran the Command Line on Windows 10. If you are using one of the Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP operating systems, you can use the same methods to run the Command Line as an administrator. Even though the pictures are taken from Windows 10, the processes are similar.
    1. First, open the Start Menu and before clicking anywhere, type "cmd" but do not press Enter.
    2. When you see the "Command Line" option among the search results, hit the "CTRL" + "SHIFT" + "ENTER" keys on your keyboard.
    3. A window will pop up asking, "Do you want to run this process?". Confirm it by clicking to "Yes" button.
    Running the Command Line as an administrator
    Step 6:Running the Command Line as an administrator
  9. Paste the command below into the Command Line window that opens up and press Enter key. This command will delete the problematic registry of the Npqtplugin4.dll library (Nothing will happen to the library we pasted in the System32 directory, it just deletes the registry from the Windows Registry Editor. The library we pasted in the System32 directory will not be damaged).
    %windir%\System32\regsvr32.exe /u Npqtplugin4.dll
    Cleaning the problematic registry of the Npqtplugin4.dll library from the Windows Registry Editor
    Step 7:Cleaning the problematic registry of the Npqtplugin4.dll library from the Windows Registry Editor
  10. If you have a 64 Bit operating system, after running the command above, you must run the command below. This command will clean the Npqtplugin4.dll library's damaged registry in 64 Bit as well (The cleaning process will be in the registries in the Registry Editor< only. In other words, the dll file you paste into the SysWoW64 folder will stay as it).
    %windir%\SysWoW64\regsvr32.exe /u Npqtplugin4.dll
    Uninstalling the Npqtplugin4.dll library's broken registry from the Registry Editor (for 64 Bit)
    Step 8:Uninstalling the Npqtplugin4.dll library's broken registry from the Registry Editor (for 64 Bit)
  11. We need to make a clean registry for the dll library's registry that we deleted from Regedit (Windows Registry Editor). In order to accomplish this, copy and paste the command below into the Command Line and press Enter key.
    %windir%\System32\regsvr32.exe /i Npqtplugin4.dll
    Making a clean registry for the Npqtplugin4.dll library in Regedit (Windows Registry Editor)
    Step 9:Making a clean registry for the Npqtplugin4.dll library in Regedit (Windows Registry Editor)
  12. If you are using a Windows with 64 Bit architecture, after running the previous command, you need to run the command below. By running this command, we will have created a clean registry for the Npqtplugin4.dll library (We deleted the damaged registry with the previous command).
    %windir%\SysWoW64\regsvr32.exe /i Npqtplugin4.dll
    Creating a clean registry for the Npqtplugin4.dll library (for 64 Bit)
    Step 10:Creating a clean registry for the Npqtplugin4.dll library (for 64 Bit)
  13. If you did the processes in full, the installation should have finished successfully. If you received an error from the command line, you don't need to be anxious. Even if the Npqtplugin4.dll library was installed successfully, you can still receive error messages like these due to some incompatibilities. In order to test whether your dll issue was fixed or not, try running the program giving the error message again. If the error is continuing, try the 2nd Method to fix this issue.

Method 2: Copying the Npqtplugin4.dll Library to the Program Installation Directory

  1. First, you need to find the installation directory for the program you are receiving the "Npqtplugin4.dll not found", "Npqtplugin4.dll is missing" or other similar dll errors. In order to do this, right-click on the shortcut for the program and click the Properties option from the options that come up.
    Opening program properties
    Step 1:Opening program properties
  2. Open the program's installation directory by clicking on the Open File Location button in the Properties window that comes up.
    Opening the program's installation directory
    Step 2:Opening the program's installation directory
  3. Copy the Npqtplugin4.dll library into the directory we opened.
    Copying the Npqtplugin4.dll library into the installation directory of the program.
    Step 3:Copying the Npqtplugin4.dll library into the installation directory of the program.
  4. The installation is complete. Run the program that is giving you the error. If the error is continuing, you may benefit from trying the 3rd Method as an alternative.

Method 3: Doing a Clean Reinstall of the Program That Is Giving the Npqtplugin4.dll Error

  1. Open the Run window by pressing the "Windows" + "R" keys on your keyboard at the same time. Type in the command below into the Run window and push Enter to run it. This command will open the "Programs and Features" window.
    appwiz.cpl
    Opening the Programs and Features window using the appwiz.cpl command
    Step 1:Opening the Programs and Features window using the appwiz.cpl command
  2. On the Programs and Features screen that will come up, you will see the list of programs on your computer. Find the program that gives you the dll error and with your mouse right-click it. The right-click menu will open. Click the "Uninstall" option in this menu to start the uninstall process.
    Uninstalling the program that gives you the dll error
    Step 2:Uninstalling the program that gives you the dll error
  3. You will see a "Do you want to uninstall this program?" confirmation window. Confirm the process and wait for the program to be completely uninstalled. The uninstall process can take some time. This time will change according to your computer's performance and the size of the program. After the program is uninstalled, restart your computer.
    Confirming the uninstall process
    Step 3:Confirming the uninstall process
  4. After restarting your computer, reinstall the program.
  5. This process may help the dll problem you are experiencing. If you are continuing to get the same dll error, the problem is most likely with Windows. In order to fix dll problems relating to Windows, complete the 4th Method and 5th Method.

Method 4: Fixing the Npqtplugin4.dll Error Using the Windows System File Checker

  1. In order to run the Command Line as an administrator, complete the following steps.
    NOTE! In this explanation, we ran the Command Line on Windows 10. If you are using one of the Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP operating systems, you can use the same methods to run the Command Line as an administrator. Even though the pictures are taken from Windows 10, the processes are similar.
    1. First, open the Start Menu and before clicking anywhere, type "cmd" but do not press Enter.
    2. When you see the "Command Line" option among the search results, hit the "CTRL" + "SHIFT" + "ENTER" keys on your keyboard.
    3. A window will pop up asking, "Do you want to run this process?". Confirm it by clicking to "Yes" button.
    Running the Command Line as an administrator
    Step 1:Running the Command Line as an administrator
  2. Type the command below into the Command Line page that comes up and run it by pressing Enter on your keyboard.
    sfc /scannow
    Getting rid of Windows Dll errors by running the sfc /scannow command
    Step 2:Getting rid of Windows Dll errors by running the sfc /scannow command
  3. The process can take some time depending on your computer and the condition of the errors in the system. Before the process is finished, don't close the command line! When the process is finished, try restarting the program that you are experiencing the errors in after closing the command line.

Method 5: Fixing the Npqtplugin4.dll Error by Updating Windows

Most of the time, programs have been programmed to use the most recent dynamic link libraries. If your operating system is not updated, these files cannot be provided and dll errors appear. So, we will try to fix the dll errors by updating the operating system.

Since the methods to update Windows versions are different from each other, we found it appropriate to prepare a separate article for each Windows version. You can get our update article that relates to your operating system version by using the links below.

Guides to Manually Update for All Windows Versions

  1. Guide to Manually Update Windows 10
  2. Guide to Manually Update Windows 8.1 and Windows 8
  3. Guide to Manually Update Windows 7 and Windows Vista
  4. Guide to Manually Update Windows XP

Our Most Common Npqtplugin4.dll Error Messages

It's possible that during the programs' installation or while using them, the Npqtplugin4.dll library was damaged or deleted. You can generally see error messages listed below or similar ones in situations like this.

These errors we see are not unsolvable. If you've also received an error message like this, first you must download the Npqtplugin4.dll library by clicking the "Download" button in this page's top section. After downloading the library, you should install the library and complete the solution methods explained a little bit above on this page and mount it in Windows. If you do not have a hardware issue, one of the methods explained in this article will fix your issue.

  1. "Npqtplugin4.dll not found." error
  2. "The file Npqtplugin4.dll is missing." error
  3. "Npqtplugin4.dll access violation." error
  4. "Cannot register Npqtplugin4.dll." error
  5. "Cannot find Npqtplugin4.dll." error
  6. "This application failed to start because Npqtplugin4.dll was not found. Re-installing the application may fix this problem." error