What is Achernar?

The genuine Achernar.sys file is a software component of Fantom DVD Professional by AN CHEN Computer Co..
Achernar.sys is a kernel driver for Achernar, a CD/DVD simulator with disc recording capabilities. A kernel driver works directly with the operating system and hence, needs to function in a very stable environment. Removing this driver may result in the application not being able to function correctly. Remove the program only by uninstalling it in case there are any known issues.

Achernar stands for Achernar SRB Command Filter Driver

Achernar.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if Achernar.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for Achernar drivers in need of updating

Achernar.sys file information

The process known as Achernar.sys belongs to software Achernar - SCSI Command Filter Drivers or Achernar - SCSI Command Filters by NewSoft Technology (

Description: Achernar.sys is not essential for Windows and will often cause problems. The Achernar.sys file is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 16,851 bytes (33% of all occurrences), 18,432 bytes or 24,888 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program has no visible window. The service has no detailed description. Achernar.sys is not a Windows system file. Achernar.sys appears to be a compressed file. Therefore the technical security rating is 38% dangerous; however you should also read the user reviews.

Recommended: Identify Achernar.sys related errors

Important: Some malware camouflages itself as Achernar.sys. Therefore, you should check the Achernar.sys 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

BSOD Windows 7 64x
  Abu Odeh  

Summary: Average user rating of Achernar.sys: based on 1 vote with 1 user comment. One user suspects danger.

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Best practices for resolving Achernar issues

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

Achernar.sys [all]