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What is appdrv?


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

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

Appdrv.sys file information

The process known as App Support Driver belongs to software Application Driver or Internal Network Card Power by Dell (www.dell.com).

Description: Appdrv.sys is not essential for Windows and will often cause problems. Appdrv.sys is located in the C:\Windows\System32\drivers folder or sometimes in a subfolder of "C:\Program Files". The file size on Windows 8/7/XP is 16,128 bytes. http://www.file.net/process/appdrv.sys.html 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. There is no detailed description of this service. The appdrv.sys file is not a Windows system file. appdrv.sys appears to be a compressed file. Therefore the technical security rating is 40% dangerous; however you should also read the user reviews.

Recommended: Identify appdrv.sys related errors

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

Score

User Comments

event system
  leo  
Part of Dells system software
  DSG  
This is a boot-start or system-start required file per error in my event viewer
  Kristy  
infected with tdss rootkit
  Joe blow  
Part of the TDL3 rootkit.
  Steven   (further information)
blue screen problem
  jose luis garcia aguilar  

Rating chart

Summary: Average user rating of appdrv.sys: based on 6 votes with 6 user comments. 4 users think appdrv.sys is essential for Windows or an installed application. 2 users think appdrv.sys is dangerous and recommend removing it.


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Best practices for resolving appdrv issues

A clean and tidy computer is the key requirement for avoiding problems with appdrv. 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 doing a repair of your installation, or in the case of Windows 8, 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 appdrv.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

appdrv.sys [all]