schannel.dll is a library which contains the functions for 128-bit strong encryption in Internet Explorer 3.x or 4.x.

schdpl32.exe is a process belonging to Microsoft's Schedule+ application which provides a scheduling and calendar agent. This program is a non-essential process, but should not be terminated unless suspected to be causing problems.

sched.exe is a process belonging to AntiVir 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.

schedhlp.exe is a part of the Acronis True Image application. It is part of the scheduler. This process should not be removed to ensure that your data stays protected.

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schedsvc.dll is a module associated with TaskScheduler from Microsoft Corporation. This file is part of Microsoft庐 Windows庐 Operating System.

schedul2.exe is the scheduler process for Acronis True Image. This process should not be removed to ensure that your data is protected by the Acronis True Image application.

schedule.exe is a process which belongs to the Acronis Disk Imaging suite and offers automated scheduling. This program is a non-essential process, but should not be terminated unless suspected to be causing problems.

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scheduler.exe is an application produced by Leader Technologies which is used to remind the user to register a product. MicroProse, Iomega, and PowerQuest have been known to use this product in conjunction with theirs. This is a non-essential process. Disabling or enabling it is down to user preference.

scheduler daemon.exe is a process associated with GhostSurf from Tenebril Incorporated.

schedulerv2.exe is an application produced by Leader Technologies which is used to remind the user to register a product. MicroProse, Iomega, and PowerQuest have been known to use this product in conjunction with theirs. This is a non-essential process. Disabling or enabling it is down to user preference.

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mstasks.exe is a process which is registered as the Backdoor.Msic 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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schost.exe is a process which is registered as W32.HLLW.Torvil@mm virus. This worm is a mass mailer and e-mail itself to everyone in the address book. This process is a security risk and should be removed from your system. Please see additional details regarding this process.

schsvr.exe is a process belonging to WinScheduler which is installed alongside the Intervideo WinDVD and offers support for WinDVD Home Theater Remote Control. This program is a non-essential process, but should not be terminated unless suspected to be causing problems.

schupd.exe is a process which belongs to the Trend Micro Anti Virus Software, and deals specifically with Auto-updating.