autorun.exe is a facility which allows a setup program to be initiated when a CD or DVD is entered into the CD/DVD drive. The author for this process can be many.

autoruns.exe is a process associated with Sysinternals autoruns from Sysinternals - www.sysinternals.com.

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autotbar.exe is a process belonging to the HP AutoView Internet Explorer Toolbar. This is a non-essential process. Disabling or enabling it is down to user preference.

autotkit.exe is a process installed alongside HP Workstations and provides additional configuration options for these devices. This program is a non-essential process, but should not be terminated unless suspected to be causing problems.

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autoupdate.dll is a process belonging to the Claria advertising program by Claria Corporation. This module monitors your browsing habits and distributes the data back to the author's servers for analysis. This also prompts advertising popups. This process is a security risk and should be removed from your system.

autoupdateagentnt.exe is a process associated with Sophos Messaging System from Sophos Plc..

autoupdatev2.exe is a process belonging to the AdClicker advertising program. This process monitors your browsing habits and distributes the data back to the author's servers for analysis. This also prompts advertising popups. This process is a security risk and should be removed from your system.

aux32.exe is a process which is registered as the W32.Aizu.G Trojan. It takes advantage of the Windows LSASS vulnerability, which creates a buffer overflow and instigates your computer to shut down. To see more information about this vulnerability please look at the following Microsoft bulletin: http://www.microsoft.com/technet/security/bulletin/ms04-011.mspx. This process is a security risk and should be removed from your system.

av.exe is a process which is registered as the W32/Alphx.worm.a virus. This virus changes your start-page for Internet explorer. This process is a security risk and should be removed from your system. Please see additional details regarding this process.

avant.exe is a process belonging to Avant Browser. This program is a non-essential process, but should not be terminated unless suspected to be causing problems.

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avcenter.exe is a process belonging to Avira Internet Security Suite which protects your computer against Internet-bound threats such as spyware and trojans which can be distributed through e-mail or attack directly to the computer allowing unauthorized access to your computer. This program is important for the stable and secure running of your computer and should not be terminated.

avcmd.exe is a process belonging to Avira Internet Security Suite which protects your computer against Internet-bound threats such as spyware and trojans which can be distributed through e-mail or attack directly to the computer allowing unauthorized access to your computer. This program is important for the stable and secure running of your computer and should not be terminated.

avconfig.exe is a process belonging to Avira Internet Security Suite which protects your computer against Internet-bound threats such as spyware and trojans which can be distributed through e-mail or attack directly to the computer allowing unauthorized access to your computer. This program is important for the stable and secure running of your computer and should not be terminated.

avconsol.exe is a component of McAfee VirusScan and it handles the task scheduling for the application. This process should not be removed to ensure that your system is secure.

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avengine.exe is a process belonging to the Panda AntiVirus Internet security suite, and is essential for protecting your computer from Internet-bound threats. This program is important for the stable and secure running of your computer and should not be terminated.