What is dvd43llh?

Dvd43llh.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 dvd43llh.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for dvd43llh drivers in need of updating

Dvd43llh.sys file information

The process known as dvd43llh.sys belongs to software DVD For Free or dvd43llh by RIF.

Description: Dvd43llh.sys is not essential for Windows and will often cause problems. Dvd43llh.sys is located in the C:\Windows\System32\drivers folder. The file size on Windows 10/8/7/XP is 18,816 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. Dvd43llh.sys is not a Windows core file. dvd43llh.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 dvd43llh.sys related errors

Important: Some malware disguises itself as dvd43llh.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the dvd43llh.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

Whenever DVD43 is open (on the task bar), and I put a CD or DVD into my Plextor DVD drive...I get a BLUE DEATH SCREEN. OS is VISTA and Microsoft says my problem is "DVD43LLH.sys"
  John H  
It's a lower filter applied to your dvd player. company is RIF
  Brendan J. Nohilly  

Summary: Average user rating of dvd43llh.sys: based on 2 votes with 2 user comments. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous.

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Best practices for resolving dvd43llh issues

A clean and tidy computer is the key requirement for avoiding problems with dvd43llh. 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 dvd43llh.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

dvd43llh.sys [all]