What is ApcMain.exe?

The genuine ApcMain.exe file is a software component of Ascentive Performance Center by Ascentive.
"ApcMain.exe" is a file located in Windows that is the main executable for Ascentive Performance Center by Ascentive. The file launches a graphical user interface (GUI) and links all Ascentive products to it. It basically acts as a handler for all Ascentive products that allows the user to manage all installed Ascentive software from one GUI. The file accepts user input for options and for launching select Ascentive software. Ascentive began in 1999 with a focus on making PCs run smoother and faster with creative software that fixes issues and helps manage them. Today, they provide many applications to improve PC performance, such as PC SpeedScan, MAC Scan & Sweep, Spyware Striker, RAMrocket, and tons more.

APCMain stands for Ascentive Performance Center Main GUI

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 ApcMain.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 ApcMain.exe related errors

ApcMain.exe file information

Windows Task Manager with ApcMain
ApcMain.exe process in Windows Task Manager

The process known as Ascentive Performance Center belongs to software Performance Center or Ascentive Performance Center by Ascentive (

Description: ApcMain.exe is not essential for Windows and will often cause problems. The file ApcMain.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 3,239,936 bytes (73% of all occurrences), 631,640 bytes, 3,231,744 bytes, 626,688 bytes or 3,276,800 bytes. 
The program has a visible window. The ApcMain.exe file is not a Windows core file. The application starts upon Windows startup (see Registry key: Run, MACHINE\Run). ApcMain.exe is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 25% dangerous, however you should also read the user reviews.

Uninstalling this variant: If problems with ApcMain.exe come up, you can go to the software publisher,, for advice or completely remove Performance Center (Control Panel ⇒ Uninstall a Program).

Recommended: Identify ApcMain.exe related errors

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


User Comments

apcmain.exe is part of Ascentive Performance Center from Ascentive, a software for performance monitoring.
  Uma   (further information)

Summary: Average user rating of ApcMain.exe: based on 3 votes with 1 user comment. One user thinks it's probably harmless. 2 users think it's neither essential nor dangerous.

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Best practices for resolving ApcMain issues

A clean and tidy computer is the key requirement for avoiding problems with ApcMain. 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 ApcMain.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

ApcMain.exe [all]