Non Essential Processes
quickset.exe - Dell Quickset
1Xconfig.exe - SCM MicroSystems Helper
I8kfan.exe - Dell Inspiron fan control
memoptimizer.exe - part of 2003 Tuneup Utilities
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Essential Processes
rundll32.exe - essential Windows component
apoint.exe - component for alps touch pad
nod32kui.exe - anti-virus
explorer.exe - essential Windows component
alg.exe - essential Windows component
svchost.exe - essential Windows Component
apntex.exe - Alps Pointing-device Driver
tcpsvcs.exe - Windows networking component
outpost.exe - Outpost Firewall
nvsvc32.exe - NVIDIA Driver Helper Service
nod32krn.exe - anti-virus
inetinfo.exe - IIS Admin Service Helper
schedul2.exe - scheduler process for Acronis True Image
msdtc.exe - part of Microsoft Personal Web Server
spoolsv.exe - handles printing
mqtgsvc.exe - Message Queuing Triggers Service
zcfgsvc.exe - Intel NIC Configuration Tool
lsass.exe - essential Windows component
services.exe - essential Windows component
winlogon.exe - essential Windows component
csrss.exe - essential Windows component
smss.exe - essential Windows component
taskmgr - essential Windows component
wdfmgr.exe - part of WMP 10
snmp.exe - related to Local Area Networking
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Optional Processes to remove
RegSrvc.exe - Intel Communications Service, installed alongside
Intel ProSet network communication products.
dkservice.exe - Executive Software Diskeeper
s24evmon.exe - gives you acces to wireless network interface devices configurations and diagnostics
mqsvc.exe - Microsoft Message Queue Server
Use "msconfig" at the "run box" to disable what you want and / or use the Windows add/remove programs to remove any unwanted programs. You'll pick up 37.464 k of memory with both "non essential and optional" processes stopped. The best advice I could give is to add more RAM to your note-book. RAM is cheap and would serve you better than closing a few processes that will only make a negligable difference in the long run.