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                               Apache Systems Inc

Wuauclt

Wuauclt.exe

(Microsoft)

Microsoft AutoUpdate for Windows Millennium Edition.  Whenever you connect to the Internet, WUAUCLT checks the Microsoft website for updates to Windows Millennium Edition.

Recommendation : 
We recommend against having any sort of AutoUpdate feature turned ON for operating systems.  If your system works, do not fix it.  Updates should be manually controlled as the downside, if something goes wrong, is potentially an unusable PC.  Turn OFF Automatic Update as follows : "Start \ Settings \ Control Panel \ Automatic Updates \ Turn OFF automatic
Wucrtupd WUCrtUpd.exe

(Microsoft)		 Windows Update Critical Update Notification.  This will appear in your Task List if you did a Windows Update at some stage and installed the "Critical Update Notification" component.  In some versions this process is scheduled to run every 5 minutes and you cannot change the schedule (under Windows 98 you can get round it with the "sucrtupd" technique, but not under other versions of Windows).

Recommendation :
 de-install Microsoft Windows Critical Updates Notification.   It is best that you simply do a Windows Update once every two or three months, say, and only at times when you do not require your PC urgently in the following 24 hours ! Finally, quite aside from the above, WUCRTUPD is also sometimes responsible for illegal operations, 3-seconds mouse freezes, WULOADER error messages, and Invalid Page Faults in KERNEL32. 
Wuloader WULoader.exe

(Microsoft)		 Microsoft’s Windows Update Critical Update loader.  This task will only appear in your Task List if you installed the Microsoft Critical Update Notification (via a Windows Update in most cases).  In addition to the well publicised "Invalid Page Fault" problems with WULOADER, two other downsides are that WULOADER by default accesses the Microsoft website every 5 minutes and, when it is running, ScanDisk and Defrag will restart endlessly and will not be able to complete.

Recommendation :
De-install Windows Critical Update Notification via the "Add/Remove Programs" icon in the Control Panel.  You are not missing anything. Simply run a Windows Update once a month to see if there are some critical updates you should install.  
Wqk Wqk.exe / Wqk.dll

(???)		 You have the KLEZ virus.
Wmencagt WMEncAgt.exe

(Microsoft)		 Windows Media Encoder Agent.  This task enables you to use your Windows Media Encoder remotely from another system.

Recommendation :
This is a potential security hole on your PC and we cannot think of anyone who would want to use such an esoteric feature.  Disable in Startup Manager

Go PC page                                       Above list from http://www.answersthatwork.com/Tasklist_pages/tasklist_a.htm