How to Fix upnphost.dll Missing Error (Solved)
What is upnphost.dll?
upnphost.dll short for Universal Plug and Play Host Controller DLL is a dynamic link library file that plays a crucial role in the Windows operating system. This file is responsible for managing network devices and their communication within a home or office network. It works in conjunction with UPnP (Universal Plug and Play) protocol to facilitate seamless communication between various devices.
Why is upnphost.dll missing?
The upnphost.dll file may go missing due to several reasons including accidental deletion during system maintenance or malware infection that may corrupt or delete essential files. It’s also possible for the file to become damaged or incompatible with newer versions of Windows.
Step-by-Step Fixes:
Method 1: Reinstall Visual C++ Redistributable
One possible solution for the missing upnphost.dll file is to reinstall the Visual C++ Redistributable package that contains this DLL. To do so follow these steps:
- Visit Microsoft’s official download center at this link.
- Download the latest version of Visual C++ Redistributable for your specific Windows operating system.
- Run the downloaded setup file 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 Windows tool that scans for and repairs missing or corrupted system files including upnphost.dll. To run the SFC command follow these steps:
- Press the Windows key + X on your keyboard to open the Power User menu and select “Command Prompt (Admin)” or “Windows PowerShell (Admin)”.
- Type the following command and press Enter: `sfc /scannow`
- Wait for the scan to complete. Follow any on-screen instructions if prompted.
Method 3: Update System Drivers
Outdated or corrupted drivers may also cause issues with upnphost.dll. To update your system drivers follow these steps:
- Press the Windows key + X on your keyboard and select “Device Manager” from the list.
- Find the device category that contains the problematic driver and expand it by clicking the arrow next to it.
- Right-click the device driver and select “Update Driver”.
- Choose “Search automatically for updated driver software” and follow the on-screen instructions to complete the update process.
Conclusion
Missing upnphost.dll can cause various issues with your Windows system but with these step-by-step solutions you should be able to fix the problem and restore normal functionality. If none of these methods work for you it’s recommended that you seek further assistance from a professional technician or Microsoft support.