For more information on system files and other several runtime dlls, use this sect :

dscript.dll PostScript Printer Driver, 280K - Digital Equipment Corporation
dnsperf.dll DNS Server PerfMon DLL, 33K - Microsoft Corporation
dinoav.dll Intel RDX: DINOAV, 90K - Intel Corporation
deuts_95.dll Ctrun_95, 24K - Creative Technology Ltd
dbc32gt.dll Microsoft Data Access - ODBC Driver Generic Thunk, 24K - Microsoft Corporation
fpdb.dll FrontPage Database Results Wizard, 232K - Microsoft Corporation
fn3res.dll Resource DLL, 72K - Bitstream, Inc.
gtdirect3d.dll Cc Direct3D driver, 36K - Unique Development Studios
hpsjusd.dll Still Image Devices DLL, 8K - Microsoft Corporation
iehost.dll Microsoft IE hosting interface, 32K - Microsoft Corporation
ifsutil.dll IFS Utility DLL, 69K - Microsoft Corporation
ifc21.dll Immersion Foundation Classes, 148K - Immersion Corporation
ipnathlp.dll Microsoft NAT Helper Components, 324K - Microsoft Corporation
lfpcd70n.dll LEADTOOLS® DLL for Win32, 19K - LEAD Technologies, Inc.
lkv1_8ren.dll Example Renderer plugin for RealMedia®, 88K - RealNetworks, Inc.
localsec.dll Local Users and Groups MMC Snapin, 217K - Microsoft Corporation
g2video1.ocx G2Video ActiveX Control Module, 72K - STMicroelectronics
msnchat40.ocx MSN Chat Control, 383K - Microsoft Corporation
sapnsp.dll Service Advertising Protocol Name Space Provider, 28K - Microsoft Corporation
npsmlvdo.dll VDOLive small plugin, 56K - VDONet corp.
icastdcd.dll MCDCD API using Intercast(TM) VBI decoder interface., 128K - WavePhore Inc.
jungle.dll Jungle Screen Saver, 708K - Microsoft Corporation
sscsdk80.dll Chart Engine DLL, 1,208K - Three |D| Graphics, Inc.
vqfenclib.dll Audio plugin, 808K - Ahead Software AG
ragent.dll Microsoft Office Replication Agent, 580K - Microsoft Corporation
vbacv10d.dll VBA DBCS Converter (1.0), 460K - Microsoft Corporation
ereg.dll Electronic Product Registration DLL, 377K - Cedant Software Corp. - Sierra OnLine
mccore.dll MCCore Dynamic Link Library, 328K - Corel Corporation
lxbkcomm.dll BCE Client, 280K - Lexmark International, Inc.
jet.dll JET Engine DLL, 245K - Microsoft Corporation
wbemupgd.dll WMI Setup Upgrade DLL, 193K - Microsoft Corporation
vcmshl.dll Microsoft Voice Commands Proxy/Stub, 150K - Microsoft Corporation
mpgenc.dll StillsEncoder DLL, 136K - Royal PHILIPS Electronics N.V.
sensordll.dll Intel Active Monitor Sensor Encapsulation DLL, 120K - Intel Corp.
tsccvid.dll TechSmith Screen Capture Codec, 108K - TechSmith Corporation
mcmjpg32.dll MainConcept MJPG Video Codec, 97K - MainConcept
dbedit32.dll Paradox Editor DLL, 87K - Borland International
rwia001.dll WIA Scanner Driver, 78K - Ricoh Co., Ltd.
sendto9.dll SendTo9 RPC Proxy/Stub DLL, 64K - Microsoft Corporation
ocmanage.dll Optional Component Manager Library, 60K - Microsoft Corporation
ipxcfg.dll IPX Configuration DLL, 48K - Microsoft Corporation
ssinc.dll Microsoft Server Side Include Extension, 44K - Microsoft Corporation
ntlmssps.dll NtLm Security Support Provider Service DLL (Export Version), 35K - Microsoft Corporation
psxdll.dll Posix Client DLL, 31K - Microsoft Corporation
wshcon.dll Microsoft (r) Windows Script Controller, 28K - Microsoft Corporation
rw001ext.dll Ricoh WIA driver for Aficio IS01, 24K - Microsoft Corporation
encapi.dll Encoder API, 20K - Microsoft Corporation
alrsvc.dll Alerter Service DLL, 17K - Microsoft Corporation
exstrace.dll Async Trace DLL, 14K - Microsoft Corporation
smtp_rwnh.dll RWNH, 11K - Microsoft Corporation
mll_mtf.dll MTF (Microsoft Tape Format) Media Label Library, 8K - Microsoft Corporation
acsetupc.dll Microsoft ACS setup client DLL, 4K - Microsoft Corporation
dpmodemx.dll Modem and Serial Connection For DirectPlay, 28K - Microsoft Corporation
p5dll.dll Interface to P5Device, 88K - VRYAD Development Group
w95inf32.dll W95INF32, 5K - Microsoft Corporation
msexcl40.dll Microsoft Jet Excel Isam, 304K - Microsoft Corporation
inetcfg.dll Internet Connection Wizard Library, 134K - Microsoft Corporation
d3drg16f.dll Microsoft Direct3D, 71K - Microsoft Corporation
mscomct2.ocx Microsoft Common Controls 2 ActiveX Control DLL, 633K - Microsoft Corporation
crtctrl.dll CRTDeviceCtrlCmpnt Module, 44K - 
FileDescription