If you have landed on this page, you’ve already encountered the ‘NotificationController.dll not found’ error message while running your favorite Windows apps or Games. So, what exactly is the error, and why does it appear? Let’s know it.

What does NotificationController.dll Missing Error Mean?

The NotificationController.dll is an essential file for every program on your computer. When you launch a program, it uses this file to find necessary instructions.

The NotificationController.dll file is usually stored on your computer: the program’s installation folder and the system folder, ‘System 32’ or ‘SysWOW64’.

The error message appears when Windows fails to find the NotificationController.dll file in either of these two places; hence, it says that the file is missing.

When your computer fails to grab instructions from the NotificationController.dll, it fails to launch the program. To resolve this error, you need to ensure the file is stored in the correct place and is not corrupted.

Fix NotificationController.dll Missing Error on Windows

You can do a few things to resolve the NotificationController.dll missing error message on your computer. Here’s what you can do.

1. Use a DLL Fixer Software

Many free DLL Fixer softwares available for Windows can fix all missing DLL errors, including the NotificationController.dll. These DLL repair tools fix the DLL Files that are:

• Broken
• Corrupted
• Missing or Not Found

We have already shared a list of Windows PC’s best DLL Fixer softwares. You need to go through that article and pick the tool that suits your needs and budget. After fixing the DLL Missing errors, you must restart your computer to apply the changes.

2. Update your Windows PC

Updating the Windows operating system is the next best option to resolve all missing DLL errors.

Many users on the Microsoft Forum have claimed to fix the NotificationController.dll error just by updating their Windows 11/10 to the latest version.

So, before trying the next methods, follow the steps below to install all pending updates on your computer.

1. Click on the Windows Start button and select Settings.

2. When the Windows Settings opens, switch to the Windows Update tab on the left sidebar.

3. On the right side, click the Check for Updates button.

4. Now, Windows will automatically find all pending updates and will install them.

3. Reinstall the Problematic App

Sometimes, NotificationController.dll missing error can be linked to faulty app installation or corrupted files. You can reinstall the problematic app to resolve all app installation problems.

1. Click on Windows search and type in Control Panel.

2. Open the Control Panel app from the list and select Uninstall a program.

3. Now right-click on the program showing you the error and select Uninstall.

4. Run the System File Checker Tool

The System File Checker (SFC) tool is one of the best ways to deal with corrupted system files. It can potentially fix most Windows problems, including missing DLL errors. Here’s how to run the SFC tool on Windows.

1. Click on Windows search and type in CMD.

2. Right-click on the Command Prompt and select Run as Administrator.

3. When the Command Prompt opens, type sfc /scannow and press Enter.

You must wait until the SFC command scans and repairs all corrupted system files.

5. Perform a System Restore

If none of the methods have worked until now, you can roll back your Windows to a point where your computer is free from any error. However, you can only perform a System Restore if the Restore points are enabled previously.

1. Click on Windows search and type in System Restore.

2. From the list of apps that appears, select Recovery.

3. On the Restore system files and settings window, click on Next.

4. Now select your ideal restore point and click on Next.

5. On the confirmation window, click on the Finish button.

6. Reset Your Windows PC

If nothing worked for you to fix NotificationController.dll missing error, your last resort is to perform a factory reset. Make sure to back up your important files and folders before you reset your Windows PC.

1. Click on Windows Search and select Settings.

2. On Settings, switch to the Windows Update tab on the left.

3. Now, on the right side, click on the Advanced Options.

3. On the right side, click on Recovery.

4. Next, on the Recovery options, click on Reset PC.

5. On the Choose an option prompt, select Keep My Files.

6. On the next screen, select Cloud Download.

Now, follow the on-screen instructions to factory reset your Windows PC. After the reset, install the app again; you won’t get the NotificationController.dll missing error this time.

Also read: Download Windows 11 ISO File 64 Bit

These are the few best things you can do to resolve NotificationController.dll missing errors on a Windows computer. We are sure all these methods would have fixed the error message. If you need more help resolving the NotificationController.dll not found error on Windows, let us know in the comments.