What is readericon10.exe?

The genuine readericon10.exe file is a software component of Alcor Micro Multimedia Card Reader Controller by Alcor Micro.
Readericon10.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.

ReaderIcon10 stands for Multimedia Card Reader Icon 10

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 readericon10.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 readericon10.exe related errors

Readericon10.exe file information

Windows Task Manager with readericon10
Readericon10.exe process in Windows Task Manager

The process known as Sunkist or readericon10 belongs to software Multimedia Card Reader or Dynex 5-in-1 card reader by Alcor Micro ( or Dynex.

Description: Readericon10.exe is not essential for the Windows OS and causes relatively few problems. The file readericon10.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 131,072 bytes (90% of all occurrences) or 143,360 bytes. 
The program is not visible. It is not a Windows core file. The program starts upon Windows startup (see Registry key: MACHINE\Run). It can change the behavior of other programs or manipulate other programs. Therefore the technical security rating is 62% dangerous.

Uninstalling this variant: In case of problems with readericon10.exe, you can also do the following:

Recommended: Identify readericon10.exe related errors

Important: Some malware camouflages itself as readericon10.exe. Therefore, you should check the readericon10.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 readericon10 issues

A clean and tidy computer is the key requirement for avoiding problems with readericon10. 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 readericon10.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

readericon10.exe [all]