How to Fix rpcrt4.dll Missing Error (Solved)

What is rpcrt4.dll?

rpcrt4.dll, short for Runtime C++ Library 4, is a Dynamic Link Library (DLL) file that provides essential functions to various applications on your Windows system. It is primarily used by Microsoft Remote Procedure Call (RPC) services, which allow different programs to communicate with each other.

Why is rpcrt4.dll missing?

The rpcrt4.dll error can occur due to several reasons. Some common causes include malware infections that may delete or corrupt the DLL file, accidental deletion by users, and system updates that might move or rename the file. In some cases, the application requiring the rpcrt4.dll file may be corrupted, leading to the error.

Step-by-Step Fixes:

Method 1: Reinstall Visual C++ Redistributable

The rpcrt4.dll file is associated with Microsoft Visual C++ Redistributable packages. To fix the issue, you can reinstall these packages. Follow these steps:

1. Visit the official Microsoft Visual C++ Redistributable download page.
2. Download the appropriate version for your Windows operating system and architecture (x86 or x64).
3. Run the 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 Windows tool that can scan for and repair missing or corrupted system files. Here’s how to use it:

1. Press the Windows key + X and select “Command Prompt (Admin)” or “PowerShell (Admin)” from the menu.
2. Type the command `sfc /scannow` and press Enter.
3. Wait for the scan to complete. If the rpcrt4.dll file is found to be missing or corrupted, it will be repaired automatically.

Method 3: Update System Drivers

Outdated system drivers can also cause compatibility issues with DLL files like rpcrt4.dll. To update your drivers, you can use the Device Manager:

1. Press the Windows key + X and select “Device Manager” from the menu.
2. Expand the category containing the device with an outdated driver (e.g., Display adapters for graphics cards).
3. Right-click on the device and select “Update Driver”. Choose “Search automatically for updated driver software”.
4. Follow the on-screen instructions to install any available updates.

Conclusion

The rpcrt4.dll error can be frustrating, but by following the methods outlined above, you should be able to resolve the issue and get your system back to normal. If the problem persists, it may indicate a more severe issue that requires professional assistance.