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What does the ACDaemon.exe file do?

The ACDaemon.exe process is also known as ArcSoft Connect Daemon and is a part of ArcSoft Connect or, as the case may be, C3400 Series GDI Driver from. This software is produced by ArcSoft (www.arcsoft.com). An obsolete or defective version of ACDaemon.exe can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about ACDaemon.exe ArcSoft Connect Daemon

ACDaemon.exe is not a Windows system file and is known to frequently cause computer problems. ACDaemon.exe is found in a subdirectory of "C:\Program Files\Public Documents". Frequently occurring are file sizes such as 207,424 bytes (83% of all these files), 207,360 bytes as well as 6 other variants.
The file was developed by a so-called third party provider - and not by Microsoft. The original file has a digital certificate (see its file properties). The original file is digitally signed. Check your file. Windows starts the process each time that the computer boots up (Registry: MACHINE\Run). The application does not appear as a visible window, but only in Task Manager. ACDaemon.exe is capable of track other applications. For this reason, 29% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves ACDaemon.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about ACDaemon?

It causes a PC in our office to continually lock-up whenever Internet Explorer is opened
My computer and internet connection freezes and shows a acdaemon and connection tray error
It tried to connect this ip:
Installed with Canon Scanner hardware
application management

Summary: 2 users judge ACDaemon.exe to be an essential file that should not be touched. 3 users consider it harmless. However, 7 users consider this to be a suspicious process and would like to get rid of it. For this reason, 6 users have already deleted ACDaemon.exe. source: file.net

How to uninstall ArcSoft Connect or C3400 Series GDI Driver from

To remove ArcSoft Connect Daemon from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate ArcSoft Connect or C3400 Series GDI Driver from in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
ACDaemon.exe ArcSoft Connect Daemon fix

How to tell if ACDaemon.exe (ArcSoft Connect Daemon) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of ArcSoft Connect Daemon. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for ArcSoft Connect Daemon or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or ACDaemon.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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