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ARP.exe: What Is It & How to Fix its Errors

Get rid of all issues pertaining to ARP.exe

5 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

Of the many processes that run on the PC, most don’t pose any immediate harm or affect the core functioning. But some lead to high CPU usage, significantly slowing down the PC. One such is the ARP.exe process.

When the free system resources run low, it will cause the apps to terminate automatically, and in some cases,Windows crashesaltogether. While one way is to terminate the process, it doesn’t always work, especially when another program triggers the process.

Keep reading to find out all about ARP.exe!

What is arp EXE used for?

What is arp EXE used for?

ARP stands forAddress Resolution Protocoland is a process that kicks in when connected to a network. Its primary role is to aid communication between devices on a LAN and identify the MAC address, given you have the IP address.

The process is a built-in one and is a part of the default Windows installation. And ideally, it shouldn’t be a matter of concern or throw errors. The ARP.exe file location is:C:\Windows\System32

As perreports on forums, users find several instances of ARP.exe in the Task Manager, which collectively consumed as much as 50% CPU. Also, it led to server issues, and, as a result, devices couldn’t connect to one another. And for some users, there’s a ARP.exe popup that keeps appearing.

How do I fix arp.exe errors?

How do I fix arp.exe errors?

Before we proceed, try these quick tricks first:

If none do the job, head to the solutions listed next.

1. Scan for malware

The scan will now identify any threats and take the necessary measures to eliminate them. This is important because malware or virus could be running on the PC disguised asARP.exe. Besides Windows Security, you can also use areliable antivirus solution.

2. Repair the corrupt system files

Sometimes, it’s thecorrupt system filesto blame forhigh RAM consumptionby ARP.exe because Windows doesn’t work effectively in this case. And a quick solution is torun the DISM tooland SFC scan.

3. Perform a clean boot

Clean Bootis a state where the PC runs only with the vital programs, services, and drivers running, and it is an effective way to identify third-party conflicts.

If you don’t come across ARP.exe error anymore, start enabling the services stopped and startup apps disabled earlier, one by one, until you find what’s causing the problem. Now, all that’s left is to take the necessary action.

4. Remove recently installed programs

Oftentimes, it’s a third-party program that conflicts with the OS and persistently triggers the ARP.exe process and leads to high CPU usage. So,uninstall the appto get things up and running.

5. Perform an in-place upgrade

An in-place upgrade, though takes a few hours, is an effective solution against most errors arising out of problems with the Windows installation or system files. And the best part, you don’t lose any installed apps or saved files.

Once the ARP.exe errors are resolved, be it the pop-ups or high resource consumption, find outwhich all services can be disabled in Windowsto get better performance.

Tell us which fix worked for you in the comments section below.

More about the topics:Fix EXE file errors,High CPU usage

Kazim Ali Alvi

Windows Hardware Expert

Kazim has always been fond of technology, be it scrolling through the settings on his iPhone, Android device, or Windows PC. He’s specialized in hardware devices, always ready to remove a screw or two to find out the real cause of a problem.

Long-time Windows user, Kazim is ready to provide a solution for your every software & hardware error on Windows 11, Windows 10 and any previous iteration. He’s also one of our experts in Networking & Security.

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Kazim Ali Alvi

Windows Hardware Expert

Kazim is specialized in hardware devices, always ready to remove a screw or two to find out the real cause of a problem.