How to eliminate appdrv driver problemsThe appdrv.sys (App Support driver) file is a Windows driver. Generally, drivers are used by Windows to enable internal components like graphic cards and drives, or external devices, such as printers, backup media or input devices.
Click here to check if you need to update your appdrv driver.
The appdrv.sys process is also known as App Support Driver and is a part of Application Driver or, as the case may be, Internal Network Card Power. This software is produced by Dell (www.dell.com). An obsolete or defective version of appdrv.sys can cause problems for your computer that can range from slowness to error messages such as these:
- App Support driver has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- App Support driver has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 10, 8, 7)
- appdrv.sys has encountered a problem and needs to close. (Windows XP)
- Access violation at address FFFFFFFF in module appdrv.sys. Read of address 00000000.
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What you should know about appdrv.sys App Support driver
appdrv.sys is not a Windows system file and is known to frequently cause computer problems. Appdrv.sys is found in the C:\Windows\System32\drivers directory or sometimes in a subdirectory of "C:\Program Files".
The file size is 16,128 bytes.
If necessary, you can manually stop or start this driver in the Device Manager. The Device Manager can be found in Windows Control Panel under Hardware and Sound/Devices and Printers/Device Manager. The driver facilitates access to your computer's hardware and accessories. The program executes in the background, and can only be terminated using Windows Task Manager. There is no concrete documentation available for this service. The appdrv file does not come from Microsoft and is not part of the operating system. appdrv.sys appears to be a file that was compressed by an EXE-Packer. This technique is often used by trojans to keep the file size small and also hamper debugging efforts. However, this in itself is not sufficient reason to presume malicious intent, since even well-intentioned, professional software producers take advantage of compressed files. For this reason, 40% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves appdrv.sys. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about appdrv?
|event system |
|Part of Dells system software |
|This is a boot-start or system-start required file per error in my event viewer |
|infected with tdss rootkit |
|Part of the TDL3 rootkit. |
Summary: 3 users judge appdrv.sys to be an essential file that should not be touched. For this reason, 2 users have already deleted appdrv.sys. source: file.net
How to uninstall Application Driver or Internal Network Card Power
To remove App Support driver from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. In Windows 8, look for Control Panel.
- Click Control Panel.
- Click Uninstall a program.
- Look for Application Driver or Internal Network Card Power in the list of available programs.
- Click Uninstall.
How to tell if appdrv.sys (App Support driver) was uninstalled cleanly
After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of App Support driver. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for App Support driver or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.
What to do if a program does not uninstall
The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.
Last but not least
If Windows not working quite right for you, or if startup is taking a long time, or appdrv.sys is causing problems for you, a good Registry Cleaner may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.