What is css-dvp?

Css-dvp.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 css-dvp.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for css-dvp drivers in need of updating

Css-dvp.sys file information

The process known as Dynamic Virus Protection belongs to software Authentium AntiVirus SDK (version - 2) or CSS DVP or Authentium by Authentium ( or Command Software Systems (

Description: Css-dvp.sys is not essential for Windows and will often cause problems. The css-dvp.sys file is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 834,448 bytes (33% of all occurrences), 835,792 bytes, 783,984 bytes, 839,880 bytes or 837,056 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. There is no file information. The program has no visible window. The css-dvp.sys file is a Verisign signed file. It is digitally signed. It is not a Windows system file. The application can be uninstalled in the Control Panel. css-dvp.sys appears to be a compressed file. Therefore the technical security rating is 2% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you still experience problems with css-dvp.sys, you can uninstall the associated program (Start > Control Panel > Uninstall a Program > Authentium AntiVirus SDK - 2 or Authentium).

Recommended: Identify css-dvp.sys related errors

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

It crashes systems at sears all the time its a npown problem when used on an XP operating system. It crashes the OS sometimes when an update is pending.
  SEARS IS Dept  
it is safe
  AJ Great  
This is a file from Bell Security anti-virus (don't know what software vendor they use...)

Rating chart

Summary: Average user rating of css-dvp.sys: based on 7 votes with 3 user comments. 4 users think css-dvp.sys is essential for Windows or an installed application. One user suspects danger. 2 users think css-dvp.sys is dangerous and recommend removing it.

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Best practices for resolving css-dvp issues

A clean and tidy computer is the key requirement for avoiding problems with css-dvp. 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 css-dvp.sys 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

css-dvp.sys [all]