How to Fix AssignedAccessRuntime.dll Missing Error (Solved)

What is AssignedAccessRuntime.dll?

AssignedAccessRuntime.dll is a Dynamic Link Library (DLL) file, an essential component in Windows operating system. This file is associated with the Child Accounts feature in Windows 10, which allows restricted access to specific applications for multiple users on a single device. When this file goes missing, it may cause issues with the Child Accounts functionality.

Why is AssignedAccessRuntime.dll missing?

The AssignedAccessRuntime.dll can go missing due to various reasons such as malware or virus infection that inadvertently deletes system files, accidental deletion during system maintenance, or corruption caused by a faulty Windows update.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

AssignedAccessRuntime.dll is related to Microsoft Visual C++ Redistributable packages, so reinstalling these packages may help solve the issue.

1. Visit the official Microsoft Download Center at this link.
2. Download the appropriate Visual C++ Redistributable package for your system architecture (x64 or x86).
3. Run the downloaded installer and follow the on-screen instructions to complete the installation process.

Method 2: Run SFC /scannow command

System File Checker (SFC) is a built-in tool in Windows that scans for missing or corrupted system files and attempts to repair them. Here’s how to run it:

1. Press the Windows key + X and select “Command Prompt (Admin)” or “Windows PowerShell (Admin)”.
2. Type `sfc /scannow` and press Enter.
3. Wait for the scan to complete. The system will automatically attempt to repair any missing or corrupted files.

Method 3: Update System Drivers

Outdated drivers may cause compatibility issues that result in missing DLL files. To update your drivers, you can use Device Manager:

1. Press the Windows key + X and select “Device Manager” from the menu.
2. Expand the category for the device with the problematic driver.
3. Right-click on the device and select “Update Driver”.
4. Choose “Search automatically for updated driver software” and follow the on-screen instructions to complete the update process.

Conclusion

By following one or more of these methods, you should be able to resolve the AssignedAccessRuntime.dll missing error in Windows. If the issue persists, it may be best to consult a professional technician for further assistance.