Fixing Windows.applicationmodel.store.dll Errors on Windows 10 & 11

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If you've encountered the Windows.applicationmodel.store.dll error on your Windows 11 or 10 PC, you’re not alone. This Dynamic Link Library (DLL) file is primarily associated with the Microsoft Store, enabling it to manage purchases, downloads, and updates. Here's a comprehensive guide that will help you understand the role of this DLL, the potential reasons behind its errors, and how to effectively resolve these issues.

Understanding Windows.applicationmodel.store.dll​

The Windows.applicationmodel.store.dll file serves critical functions within the Windows operating system, particularly in relation to the Microsoft Store. It provides vital APIs necessary for handling app purchases and updates, which means that without it functioning correctly, applications relying on the Store can run into severe operational issues.

Common Error Messages​

When Windows.applicationmodel.store.dll encounters problems, users may see various error messages, including:

• Cannot find C:\Windows\SysWOW64\Windows.ApplicationModel.Store.dll.
• Cannot start {app_name}. A required component is missing: Windows.ApplicationModel.Store.dll. Please install {app_name} again.
• Failed to load Windows.ApplicationModel.Store.dll. These messages typically indicate that the DLL is either missing, corrupted, or not registered correctly, leading to software that relies on the Microsoft Store failing to operate.

Causes of the Error​

Several factors can lead to the Windows.applicationmodel.store.dll error:

• Accidental Deletion: The DLL file might have been inadvertently deleted by the user or another software.
• Malware Infection: Malicious software can corrupt or remove system files, including vital DLLs.
• Registry Issues: False or erased entries in the Windows Registry can prevent the system from locating the DLL properly.

Fixing the Windows.applicationmodel.store.dll Error​

To resolve this error and restore full functionality, consider the following troubleshooting steps:

1. Use System Restore​

System Restore can revert your computer to a previous state before the error occurred. Follow these steps:

• Press Win + R, type rstrui, and press Enter.
• In the System Restore wizard, click Next.
• Select a restore point dated before the problem began.
• Click Next again and follow the on-screen instructions to complete the restoration.

2. Update Windows​

Keeping your system updated can replace corrupted DLLs. Here's how to check for updates:

• Open Settings by pressing Win + I.
• Click on Windows Update from the left menu.
• Click on Check for updates. If updates are available, download and install them.
• After the updates are installed, reboot your PC.

3. Update or Reinstall the Affected App​

If the error appears when using a specific application, you may need to update or reinstall that app:

• Open the Microsoft Store, click on Library at the bottom left.
• Locate the app and click the Update icon.
• Alternatively, to reinstall, go to Settings > Apps > Installed apps. Click the three-dots icon next to the app's name and select Uninstall. Then, reinstall via the Microsoft Store.

4. Run SFC or DISM Scans​

These scans can detect and repair corrupted system files:

• To run an SFC scan:
• Open Command Prompt as an administrator.
• Type sfc /scannow and press Enter. [*For a DISM scan, type the following:
• DISM /Online /Cleanup-Image /RestoreHealth and press Enter.

5. Re-register the DLL File​

If the DLL is present but not registered correctly, you can manually register it: [Open Command Prompt as an administrator. [First, unregister the DLL:

bash regsvr32 /u Windows.applicationmodel.store.dll

[Then, re-register it:

bash regsvr32 Windows.applicationmodel.store.dll

[You should receive a confirmation indicating that the registration was successful.

6. Download and Replace the DLL File​

As a last resort, consider downloading the appropriate version of the Windows.applicationmodel.store.dll file. Be cautious: [Ensure you only download DLLs from reputable sources to avoid malware. [Make a backup of the original DLL in case of failure after replacement. [*After downloading, replace the existing DLL, and make sure to re-register it via the command prompt as described above.

7. Perform a Clean Installation of Windows​

If all else fails, you might need to perform a complete clean installation of Windows. Ensure you back up all necessary data before proceeding with this step, as it will erase all contents on your system drive.

Can I Delete Windows.applicationmodel.store.dll?​

The short answer is no. Deleting the Windows.applicationmodel.store.dll file is not advisable as it is crucial for the functioning of both the Microsoft Store and any apps that depend on it. Removal of this file can lead to severe problems such as: [*App Malfunctions*: Applications relying on the DLL will likely not operate correctly. [System Instability**: Removing essential system files can lead to larger stability issues within Windows.

• Inability to Access Store: The Microsoft Store may become inaccessible altogether. Even if instructed by a professional, it’s safer to repair or replace the file rather than remove it entirely.

The Importance of DLL Files​

DLL files are not merely additional components; they contain various functions and resources that applications call upon to execute crucial tasks. This shared architecture allows multiple programs to use the same code, which optimizes memory usage and enhances overall system performance. Thus, deleting or modifying these files can significantly destabilize your operating system.

Conclusion​

Dealing with DLL errors like the Windows.applicationmodel.store.dll issue can be frustrating, but understanding the root causes and following systematic troubleshooting steps can often lead to a resolution. Always exercise caution when handling system files; when in doubt, consult with professionals or trusted online communities for guidance. For more information or further assistance, feel free to explore relevant resources or post your queries on forums dedicated to Windows support. Source: The Windows Club (https://www.thewindowsclub.com/fix-windows-applicationmodel-store-dll-error-can-i-delete-it)