Arp.exe file information
The process known as TCP/IP Arp Command or ARP belongs to software Microsoft Windows Operating System by Microsoft (www.microsoft.com).
Description: The original arp.exe is an important part of Windows and rarely causes problems. Arp.exe is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/11/7 are 20,992 bytes (66% of all occurrences) or 22,528 bytes. 
Arp.exe is a Windows system file. The program is not visible. The arp.exe file is a trustworthy file from Microsoft.
Therefore the technical security rating is 3% dangerous.
Recommended: Identify arp.exe related errors
Important: Some malware disguises itself as arp.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the arp.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
Best practices for resolving arp issues
A clean and tidy computer is the key requirement for avoiding problems with arp. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
To help you analyze the arp.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Other processes
nmservice.exe clipper.exe xc.exe arp.exe nopdb.exe mi.exe titanservice.exe folderclone.exe installutil.exe osdsvr.exe color.exe [all]
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User Comments
One user thinks arp.exe is essential for Windows or an installed application. One user thinks arp.exe is dangerous and recommends removing it.