What is AmIcoSinglun64.exe?

The genuine AmIcoSinglun64.exe file is a software component of Alcor Micro Multimedia Card Reader Controller by Alcor Micro.
AmIcoSinglun64.exe is an executable file that is part of the Alcor Micro Multimedia Card Reader Controller. It is installed automatically on a computer after attaching the card reader and displays status messages regarding the current card that is inserted. This is not an essential Windows process and can be disabled if known to create problems. Alcor Micro Multimedia Card Reader Controller supports USB and PCI Express interfaces. The controller is built for the Windows platform and features an integrated Alcor DMA (direct media access) engine for an enhanced performance. The controller supports SD, CF, MMC, MS and MS Pro card formats. Alcor Micro is a Taiwanese company that designs fabless Integrated Chips (ICs) and provides technology solutions. In 1999, Alcor Micro was one of the first companies to unveil an extremely low cost USB hub controller to the PC market, which was integrated into the world's first ‘USB only' PC (the iMac). Alcor's main focus is on IO (input-output) technology. The company was founded in 1996 and is currently headquartered in Taipei City, Taiwan.

AMIcoSingLUN64 stands for Alcor Micro Icon Utility for Single LUN (logical unit number) Cards (64-bit)

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 AmIcoSinglun64.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.

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AmIcoSinglun64.exe file information

Windows Task Manager with AmIcoSinglun64
AmIcoSinglun64.exe process in Windows Task Manager

The process known as Single LUN Icon Utility for VID (version 058F PID 6366) or Alcor Micro USB Card Reader belongs to software Alcor Micro USB Card Reader or IconUtility or C3400 Series GDI Driver from by Alcor Micro ( or AlcorMicro Co. (

Description: AmIcoSinglun64.exe is not essential for the Windows OS and causes relatively few problems. The file AmIcoSinglun64.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 361,984 bytes (20% of all occurrences), 323,584 bytes and 13 more variants. 
The program has no visible window. The file is not a Windows system file. The program can be removed using the Control Panel's Add\Remove programs applet. AmIcoSinglun64.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 30% dangerous, however you should also read the user reviews.

Uninstalling this variant: You have the option to uninstall the associated program (Start > Control Panel > Uninstall a Program > Alcor Micro USB Card Reader or C3400 Series GDI Driver from) or ask the developer,, for support.

Recommended: Identify AmIcoSinglun64.exe related errors

Important: Some malware camouflages itself as AmIcoSinglun64.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the AmIcoSinglun64.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

card reader process
Found it in my system using CCleaner
indeed. card reader
Malware sometimes hides itself in this name.

Summary: Average user rating of AmIcoSinglun64.exe: based on 4 votes with 4 user comments. 2 users think AmIcoSinglun64.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user suspects danger.

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Best practices for resolving AmIcoSinglun64 issues

A clean and tidy computer is the key requirement for avoiding problems with AmIcoSinglun64. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the AmIcoSinglun64.exe process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

AmIcoSinglun64.exe [all]