You may acquire more information about dll files and runtime files by use of this :

atlobj.dll Microsoft (R) Visual C++ ATL Object Wizard, 632K - Microsoft Corporation
xqxsetup.dll Xteq Systems X-Setup Library, 504K - Xteq Systems
setupdll.dll Windows 2000 Setup Dynlink, 405K - Microsoft Corporation
sdkinst.dll SDK Update ActiveX Control, 296K - Microsoft Corporation
nvrspt.dll NVIDIA Iberian Portuguese language resource library, 256K - NVIDIA Corporation
textmgr.dll Microsoft Text Editor, 231K - Microsoft Corp.
pcdlib32.dll PCDLIB32, 208K - Eastman Kodak
ipsecsvc.dll Windows IPSec SPD Server DLL, 179K - Microsoft Corporation
wzzpmail.dll WinZip - Zip and E-Mail, 156K - WinZip Computing, Inc.
ntshrui.dll Shell extensions for sharing, 141K - Microsoft Corporation
acledit.dll Access Control List Editor, 127K - Microsoft Corporation
keystat.vbx , 25K -
sipr3260.dll ACELP-NET Voice Codec for RealAudio(tm), 100K - RealNetworks, Inc.
httpconnect.dll RanaInside HTTPConnect Component, 91K - RanaInside
atiddc.dll atiddc, 80K - ATI Technologies Inc.
vs.dll , 74K - Rational Software Corporation
ipxpromn.dll IPX Router Monitor DLL, 68K - Microsoft Corporation
mp3m3260.dll MP3 Metafile Plugin for RealOne Player®, 60K - RealNetworks, Inc.
ntdsxds.dll NT5DS, 55K - Microsoft Corporation
usrv80a.dll 3cv80, 48K - U.S. Robotics Corporation
ramf3260.dll RAM File Format plugin for RealMedia®, 44K - RealNetworks, Inc.
pxcb3210.dll RealPix BMP Codec plugin for RealMedia®, 40K - RealNetworks, Inc.
msats10ui.dll msats10ui, 36K - Microsoft Corporation
rppr3260.dll RealOne Player RSR, 28K - RealNetworks, Inc.
oislb400.dll SLB LIBRARY, 21K - Eastman Software, Inc., A Kodak Business
mimefilt.dll Microsoft (R) IMimeFilter Persistent Handler DLL, 19K - Microsoft Corporation
scp32.dll Code Page Translation Library, 16K - Microsoft Corporation
convmsg.dll CONVERT MESSAGES, 12K - Microsoft Corporation
ldapaclx.dll U2 LDAP Access Control DLL, 8K - Microsoft Corporation
d3d8.dll Microsoft Direct3D, 1,181K - Microsoft Corporation
mfc42.dll MFCDLL Shared Library - Retail Version, 932K - Microsoft Corporation
msvcrt40.dll Microsoft® C Runtime Library, 336K - Microsoft Corporation
d3drg32x.dll Microsoft Direct3D, 168K - Microsoft Corporation
threed32.ocx THREED32 - 32 Bit OLE Control DLL, 196K - Sheridan Software Systems, Inc.
ctwdkreg.dll PSDK Register DLL, 40K - Canon Inc.
comuid.dll , 528K - Microsoft Corporation
cmgr32.dll , 32K - Apple Computer, Inc.
cl54xx.dll Cirrus Display Driver, 91K - Cirrus Logic, Inc.
cimw32ex.dll Windows Management Instrumentation, 20K - Microsoft Corporation
certmmc.dll Microsoft® Certificate Services Management Console, 272K - Microsoft Corporation
ccomfax.dll Fax Communication Module, 150K - Computer Associates International, Inc.
dwspyvb.dll SpyWorks 5.0 Visual Basic Subclasser, 107K - Desaware Inc.
dspimg32.dll Still Image Devices DLL, 13K - Microsoft Corporation
dpnhupnp.dll Microsoft DirectPlay NAT Helper UPnP, 60K - Microsoft Corporation
dispprop.dll Property Page For Display Settings, 386K - Metabyte, Inc.
dfx00_deu.dll Language dependent messages for extension modules, 56K - Fujitsu Siemens Computers
d3drg24f.dll Direct3D RGB 24bpp DLL, 128K - Microsoft Corporation
frmrdrct.dll Microsoft Outlook Forms Redirector Add-On, 27K - Microsoft Corporation
graphicp.dll Graphic Pen Effect, 96K - Microsoft Corporation
gklayout.dll D
FileVersion, 2,496K - Mozilla Foundation
halmca.dll Hardware Abstraction Layer DLL, 45K - Microsoft Corporation
hcwchan.dll Hauppauge Channel Editing Functionality, 181K - Hauppauge Computer Works
inresbrz.dll instRes, 20K - Creative Technology Limited
imrt25.dll Microsoft Interactive Music Engine - RT, 15K - Microsoft Corporation
ksound16.dll KSOUND DLL, 129K - >
FileDescription
lmouse32.dll Mouse Driver 32Bit Thunk, 17K - Logitech Inc.
lgdclb.dll Do Calibration Scanner, 29K - Microsoft Corporation
amovie.ocx ActiveMovie Control, 163K - Microsoft Corporation
wmaudsdk.dll Windows Media Audio SDK DLL, 160K - Microsoft Corporation
activerdx.ocx Intel RDX: ActiveRDX OLE Control Module, 28K - Intel Corporation