Avast is one of the most popular antivirus software available in the market. It offers various features like virus and malware protection, firewall, and many more. However, users may face issues with the software from time to time. One of the common issues that users face is the 'Avast RPC Server is Unavailable' error. This article discusses the causes and solutions of this error.

What is RPC Server?

RPC stands for Remote Procedure Call. It is a protocol that allows one computer to execute code on another computer connected over a network. In the case of Avast, the RPC server is responsible for managing the communication between the Avast antivirus software and other applications installed on the computer.

What Causes the Avast RPC Server Is Unavailable Error?

There could be various reasons why the Avast RPC server is unavailable. Some of the common causes are:

• Corrupted Avast installation files
• Conflict with other installed software
• Windows Firewall blocking the RPC server
• Malware or virus on the computer

How to Fix the Avast RPC Server Is Unavailable Error?

There are various solutions to fix the Avast RPC server is unavailable error. Some of the solutions are:

Restart the Avast Services

The first solution to try is to restart the Avast services. Follow the steps below to restart the services:

1. Press the Windows key + R to open the Run command.
2. Type 'services.msc' in the Run command and press Enter.
3. Locate the following services: Avast Antivirus, Remote Desktop Services, and Remote Procedure Call (RPC).
4. Right-click on each service and select Restart.
5. Once all services are restarted, check if the error is resolved.

Uninstall and Reinstall Avast

If the first solution does not work, try uninstalling and reinstalling Avast. Follow the steps below:

1. Press the Windows key + X and select Apps and Features from the menu.
2. Locate Avast Antivirus and select Uninstall.
3. Follow the on-screen instructions to uninstall Avast.
4. Restart your computer.
5. Download the latest version of Avast from the official website and install it.
6. Check if the error is resolved.

Disable Windows Firewall

Windows Firewall may be blocking the Avast RPC server. Follow the steps below to disable Windows Firewall:

1. Press the Windows key + R to open the Run command.
2. Type 'control panel' in the Run command and press Enter.
3. Click on System and Security and then click on Windows Defender Firewall.
4. Click on Turn Windows Defender Firewall on or off.
5. Select Turn off Windows Defender Firewall (not recommended) for both private and public network settings.
6. Click on OK to save the changes.
7. Restart your computer and check if the error is resolved.

Scan for Malware or Virus

If none of the above solutions work, there may be malware or virus on your computer that is causing the error. Follow the steps below to scan for malware or virus:

1. Download and install a reputable antivirus software like Malwarebytes.
2. Run a full system scan to detect and remove any malware or virus.
3. Restart your computer and check if the error is resolved.

Conclusion

The 'Avast RPC Server is Unavailable' error is a common issue faced by Avast users. The error can be caused by various reasons like corrupted installation files, conflict with other software, Windows Firewall blocking the RPC server, and malware or virus on the computer. This article discussed various solutions to fix the error like restarting the Avast services, uninstalling and reinstalling Avast, disabling Windows Firewall, and scanning for malware or virus. Try these solutions one by one and check which one works for you.

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