webreg.exe is a process associated with Symantec Web Registration from Symantec Corporation.

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webscanx.exe is a component of the McAfee Antivirus solution. It handles the security scan for web related applications such as e-mails, file-downloads, and web applets ( Java/ActiveX ). This process is essential to ensure your system security and should be left alone.

websecurealertsetup.exe is a process belonging to the Claria advertising program by Claria Corporation. 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.

webshots.scr is a utility which downloads images daily for your desktop and makes changes to your desktop appearance settings intermittently. This is a non-essential process. Disabling or enabling it is down to user preference.

webshotstray.exe is a process associated with Webshots Tray Application from The Webshots Corporation.

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webtrapnt.exe is a part of the Trend Micro anti virus solution PC-cillin. It manage the security scan for online applets such as Java or ActiveX. This process not be removed to ensure the security on your system.

webvacuum.exe is a process belonging to the Spytech Software, SpyAnywhere remote administration tool. This process allows other users to control your PC via a local network or the Internet. If used maliciously this process can also permit users to access your PC, from remote locations, stealing passwords, Internet banking and personal data. If unaccounted for, this process should be removed immediately.

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welcome.exe is the process that starts the Welcome to Windows tutorial on boot up and gives an introduction of the basic Windows features.

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Library file related to the Windows Entertainment Pack.

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wextract.exe is a process associated with Microsoft庐 Windows庐 Operating System from Microsoft Corporation.

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wfcrun32.exe is a process associated with the ICA-client belonging to Citrix. This should not be removed while running Citrix on your system.

wfdmgr.exe is a process which is registered as W32/Mytob-C Worm. This virus is distributed via the Internet through e-mail and comes in the form of an e-mail message, in the hopes that you open its hostile attachment. The worm has its own SMTP engine which means it gathers E-mails from your local computer and re-distributes itself. In worst cases this worm can allow attackers to access your computer, stealing passwords and personal data. This process is a security risk and should be removed from your system.

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wfica32.exe is a process belonging to the Citrix ICA Client remote desktop tool. This program is a non-essential process, but should not be terminated unless suspected to be causing problems.