mcvsftsn.exe is a process belonging to McAfee VirusScan 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.

mcvsrte.exe is a process belonging to McAfee Internet Security Suite. This process ensures the computer's virus definitions are up to date by connecting to McAfee's server on the Internet. This program is important for the stable and secure running of your computer and should not be terminated.

mcvsshld.exe is an important executable belonging to McAfee's Internet security suite. This program is important for the stable and secure running of your computer and should not be terminated.

mcwce.exe is a process belonging to McAfee VirusScan which allows you to scan your Windows CE PocketPC device for viruses. This program is important for the stable and secure running of your computer and should not be terminated.

mcwcecfg.exe is a process belonging to McAfee VirusScan which allows you to scan your Windows CE PocketPC device for viruses. This program is important for the stable and secure running of your computer and should not be terminated.

md.exe is a virus which changes your homepage, and redirects you to a pornographic website.

mdac_typ.exe is a process associated with Microsoft(R) Windows (R) 2000 Operating System from Microsoft Corporation.

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mdigraph.dll is a process associated with Microsoft Office Document Imaging from Microsoft Corporation.

mdimon.dll is a process associated with Microsoft Office Document Imaging from Microsoft Corporation.

mdiui.dll is a process associated with Microsoft Office Document Imaging from Microsoft Corporation.

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mdm.exe is associated with Microsoft Windows process debugging system. It allows the user to debug Internet Explorer errors by using a script interface tool. This is a non-essential process. Disabling or enabling it is down to user preference.

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mdms.exe is a process which is registered as W32/SdBot-CH Trojan. This Trojan allows attackers to access your computer from remote locations, stealing passwords, Internet banking and personal data. This process is a security risk and should be removed from your system.

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mdnsresponder.exe is a process associated with "Bonjour for Windows" software. It is used by ITunes for music sharing. This is a non-essential process. Disabling or enabling it is down to user preference.