What is arc.exe?

The genuine arc.exe file is a software component of Abexo Registry Cleaner by Abexo.
Arc.exe is an executable file that is associated with Abexo Registry Cleaner, a system utility tool that fixes broken registry items. This is not an essential process for Windows and can be disabled if known to create problems. Abexo Registry Cleaner is a freely available tool that analyses the computers and fixes broken registry items, removes corrupt or unnecessary driver DLL (dynamic link library) files, invalid file associations, broken help files, fonts and sounds. This type of software is highly not recommended as it has been known to cause major problems with the system registry. The risk involved in using this type of software is particularly high as unlucky users may find their computers bricked, meaning they are no better than a piece of brick. Moreover, registry cleaners of any brand are completely unnecessary on newer versions of Windows.

ARC stands for Abexo Registry Cleaner Launcher

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the arc.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Click to Run a Free Scan for arc.exe related errors

Arc.exe file information

Windows Task Manager with arc
Arc.exe process in Windows Task Manager

The process known as Arc belongs to software Arc or ArcSoft by Perfect World Entertainment or Arcsoft (

Description: Arc.exe is not essential for the Windows OS and causes relatively few problems. Arc.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 2,480,464 bytes (66% of all occurrences) or 3,115,344 bytes. 
The file is a file with no information about its developer. The file is a Verisign signed file. The arc.exe file is digitally signed. It is not a Windows core file. Arc.exe is able to record keyboard and mouse inputs and manipulate other programs. Therefore the technical security rating is 13% dangerous.

Uninstalling this variant: There is a possibility to

Recommended: Identify arc.exe related errors

Important: Some malware camouflages itself as arc.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the arc.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.


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Best practices for resolving arc issues

A clean and tidy computer is the key requirement for avoiding problems with arc. 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, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the arc.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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

arc.exe [all]