How to eliminate CVPNDRVA driver problemsThe CVPNDRVA.sys (Cisco Systems VPN Client IPSec 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 CVPNDRVA driver.
The CVPNDRVA.sys process is also known as Cisco Systems VPN Client IPSec Driver or, as the case may be, Cisco Systems Inc. IPSec Driver and is a part of Cisco Systems IPsec Driver or, as the case may be, Cisco Systems VPN Client. This software is produced by Cisco Systems (www.cisco.com). An obsolete or defective version of CVPNDRVA.sys can cause problems for your computer that can range from slowness to error messages such as these:
- Cisco Systems VPN Client IPSec driver has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- Cisco Systems VPN Client IPSec 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)
- CVPNDRVA.sys has encountered a problem and needs to close. (Windows XP)
- Access violation at address FFFFFFFF in module CVPNDRVA.sys. Read of address 00000000.
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What you should know about CVPNDRVA.sys Cisco Systems VPN Client IPSec driver
CVPNDRVA.sys is not part of Windows, but it is important nonetheless. CVPNDRVA.sys is found in the C:\Windows\System32\drivers directory.
Frequently occurring are file sizes such as 306,300 bytes (28% of all these files), 268,360 bytes as well as 4 other variants.
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. For this service - unlike Windows' own system services - there is no good description available. The file was developed by a so-called third party provider - and not by Microsoft. For this reason, 35% 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 CVPNDRVA.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 CVPNDRVA?
|Cisco VPN Client Network Driver |
Summary: One user judges CVPNDRVA.sys to be an essential file that should not be touched. source: file.net
How to uninstall Cisco Systems IPsec Driver or Cisco Systems VPN Client
To remove Cisco Systems VPN Client IPSec 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 Cisco Systems IPsec Driver or Cisco Systems VPN Client in the list of available programs.
- Click Uninstall.
How to tell if CVPNDRVA.sys (Cisco Systems VPN Client IPSec 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 Cisco Systems VPN Client IPSec driver. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Cisco Systems VPN Client IPSec 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 CVPNDRVA.sys is causing problems for you, a good Windows diagnostic tool 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.