What is Nessusd.exe? Why Using High CPU & How to Remove

Nessusdexe

The Nessusd.exe is an executable program if you have the Tenable Nessus security scanner installed on your computer. The Nessusd.exe program can cause your PC to use high CPU resources and bog down your PC. What is Nessusd.exe? Why is it Using a High CPU? 

High CPU

 The Tenable Nessus security scanner is one of the leading programs for performing a comprehensive security assessment on your PC. The Nessus security scanner is also one of the few security programs with the least positive rate of six-sigma accuracy. The Nessusd.exe is the core program responsible for initiating the Tenable Nessus security scanner. However, the Nessusd.exe program can cause your CPU usage to be high. What is Nessusd.exe? Why is it Using a High CPU? These are some of the questions this post attempts to answer.


What is Nessusd.exe? 

Nessusd.exe

 The Nessusd.exe is the program that initiates the Tenable Nessus security scanner on a Windows PC. The Tenable Nessus security scanner is a third-party program for Windows OS, and you can use it to scan security vulnerabilities in your OS. You can use the Tenable Nessus security scanner on databases, operating systems, network devices, and hypervisors.


What is the file location/file size for the Nessusd.exe?

The file location for the Nessusd.exe program on a Windows OS is inside the Drive C: partition. The file path for the program is [C:\Program Files\Tenable\Nessus\]. Below are some of the details of the Nessusd.exe program.

FilesTenableNessus

  • File size: Approximately 6.57 MB depending on the version of your program.
  • File Name: Nessusd.exe.
  • File Description: Tenable Nessus.
  • File Publisher: Tenable Network Security.
  • File Publisher URL: www.tenablesecurity.com.

What is the usage for the Nessusd.exe program?

The primary function of the Nessusd.exe program is to initiate, launch, and coordinate the Tenable Nessus security scanner software on your Windows PC. You should not delete/remove the Nessusd.exe program if you want the Tenable Nessus security scanner to work smoothly on your computer.


Is Nessusd.exe safe or a virus?

safe or a virus

 The original version of the Nessusd.exe program is not a virus/malware. However, it can be mistaken for virus/malware because it can cause your PC to have a high CPU usage. Nessusd.exe is third-party software, which may conflict with some Windows programs resulting in high CPU usage on your PC. However, you can check the genuineness of your Nessusd.exe program by checking its file location.


How to check the file location for the Nessusd.exe program

Checking the file location of the Nessusd.exe program can help you identify if you have a potential malware/virus threat on your PC. You can use the following steps to check the file location of the Nessusd.exe program on your PC.

Step 1: Right-click on the Windows icon at the bottom left of your Taskbar before clicking on the Task Manager option. Wait for the Task manager to launch before proceeding to the next step.

Task Manager

Step 2: Click on the Processes tab before locating the Nessusd.exe program.

Processes

Step 3: Right-click on the Nessusd.exe program before clicking on the Open file location option.

Step 4: Wait for the file location Window to open and ensure the file path for Nessusd.exe is [C:\Program Files\Tenable\Nessus\].


Solutions for fixing the Nessusd.exe errors on your PC 

You can either disable the Nessusd.exe program or uninstall it from your PC to fix Nessusd.exe errors.

Solution 1: How to disable the Nessusd.exe program

Follow the steps below to disable the Nessusd.exe program during start-up on your computer.

Step 1: Click on the WINDOWS + R keys on your keyboard to launch the Run utility on your PC.

Run utility

Step 2: Type the [service.msc] Command on the Run utility before hitting the Enter key.

service.msc]

Step 3: Scroll until you locate the Tenable Nessus services before right-clicking on it.

Step 4: Click the Stop option before rebooting your PC to complete the process.


Solution 2: How to uninstall/delete the Nessusd.exe program on your PC

You can follow the steps below to uninstall/delete the Nessusd.exe program on your PC.

Step 1: Click on the Search icon at the bottom left of your Taskbar before typing Control Panel on the search box.

Step 2: Click on the Control Panel app to launch it. Click on the Uninstall a program option under the Program section.

Control Panel

Step 3: Locate the Tenable Nessus application on the list of installed programs before right-clicking on it.

Step 4: Click on the Uninstall/Change option and remove the Nessusd.exe program and other related programs from your PC. Follow the on-screen instructions for the uninstallation process to remove the Tenable Nessus programs from your computer.

Uninstall

Step 5: Reboot your computer after uninstalling the Tenable Nessus programs from your computer.

Reboot


Conclusion 

The above solutions can help you resolve Nessusd.exe file errors such as [the nessusd.exe has failed], [Error starting the program – Tenable Nessus], [nessusd.exe is not a valid Win32 application], [nessusd.exe bad image], and the [nessusd.exe has failed] errors on your PC. You can download and install a fresh copy of the Tenable Nessus program after uninstalling the corrupt Nessusd.exe program from your PC.

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