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What is Ntrtscan.exe & How to Fix Its High CPU Usage

Disabling the process can help with high CPU usage problems

2 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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If you use the Trend Micro antivirus program, you may have encountered its ntrtscan.exe file. This program can block websites that contain viruses or other malware and allows you to scan individual files or folders for viruses.

In this guide, we dive into its functions, the causes for its high CPU usage, and some practical solutions. We have also written another guide if you run into theTrend Micro antivirus BSoD.

What is ntrtscan.exe?

What is ntrtscan.exe?

Ntrtscan.exe is a safe process belonging to the Trend Micro antivirus program. It is an antivirus procedure that is in charge of checking your computer for malware and viruses.

It is integral inscanning your computer for virusesand other malware and updating its virus signature database.

What causes ntrtscan.exe to use a high CPU?

How do I fix ntrtscan.exe high CPU usage?

How do I fix ntrtscan.exe high CPU usage?

Before trying our proven solutions, you may try these workarounds:

However, if you have no luck, proceed to the solutions below:

Restart vital Trend Micro services

You might need to contactTrend Micro supportif you’ve tried all the solutions mentioned above, and ntrtscan.exe still uses a lot of CPU power. They might be able to assist you in finding a fix and troubleshooting the issue.

Alternatively, you may use a differentrobust antivirusprogram, saving you considerable troubleshooting effort.

And that is all we share in this guide. Please reach out via the comments section if you have any additional questions.

More about the topics:antivirus

Afam Onyimadu

Windows Software Expert

Afam is a geek and the go-to among his peers for computer solutions. He has a wealth of experience with Windows operating systems, dating back to his introduction to Windows 98. He is passionate about technology amongst many other fields. Aside from putting pen to paper, he is a passionate soccer lover, a dog breeder, and enjoys playing the guitar and piano.

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Afam Onyimadu

Windows Software Expert

Afam is a geek and the go-to among his peers for computer solutions. He has a wealth of experience with Windows operating systems.