What is stmain.dll? Is stmain.dll spyware or a virus?

What are you to do to fix stmain.dll related problems?
1. Run Security Task Manager to check your stmain.dll process
2. Run Registry Booster to fix stmain.dll related errors
3. Run Spyware Doctor to remove persistent malware

Process name: st or MSN Search Toolbar Helper
Product: st or E-Book Reader v or stmain.dll or MAGIX Fotos auf CD & DVD or MSN Toolbar Suite or DVD Solution or Expert Tarot Card or Sibelius Scorch or Home Cinema or Hero Editor V or Ulead Photo Express 3.0 SE or SmartSound Quicktracks Plugin or Pocket Mechanic v or Lemonade Tycoon Deluxe or MAGIX Movies on CD & DVD or Engineering Power Tools - or Mpeg Layer3 Codec FHG-Radium or MSVBVM50.DLL for TeamBG or VGA Dual Camera or PANTONE(R) colorist or Starry Night Enthusiast or Motivated Sellers or Oracle 8i or Dazzle DVC or penPalette or Creating Keepsakes Scrapbook or Rhem2_DEMO or Argus Digital Camera or HyperCam or Pinnacle MPEG Realtime Codec or MSN Search Toolbar or Acoustica Effects Pack or Ulead VideoStudio or Mozilla Firefox or Zuma Deluxe or UnInstall Envy24 Family Audio or LaBelLe Toolbox v or Mjuice Components or Soldier of Fortune 2 Weapon or Paltalk or WWII Pacific Heroes V or The Weather Channel Screensaver or VB6 Runtime Files for or Autofighter or Virtual_Garden or Magic Bullet Suite or Edmark 2D 3D Blox or Heinemann Psychology A2 for or Project or CorelDRAW Graphics Suite or QualGuard Agent Install or MGI PhotoSuite or Home Cinema XL II or Excel Tutor or AWStats or MapSource or Edmark Three-Letter Carnival or Home Office Made Easy or AutoCAD Map R or LEARN Microsoft® Access xp or Samsung AnyCam Applicatons or TracHound or VIA Audio Driver Setup Program or Strata RenderPro or BLT Student CD or Dell OpenManage Active or Diamond Caves or Millennium v or USB MassStorage CardReader or MasterClips Browser v or Virtual Moon Altas Image or 3D Home Architect Home Design or Book Avis or Studio Buddy or Able2Extract Professional v or Microsoft Office FrontPage or PowerCinema or Able2Doc v or Adobe Photoshop Elements or Setup Visual Basic 6.0 SP or the Reap or iTunes or GameTap or VADIS Config or Concord DSC or project dogwaffle or Eye Candy or Bespelled Deluxe or Peachtree Complete Accounting or RepoBasicDemo or Deskop Destroy 2 : Chicken or BrainWave Generator or Marine Updater or Addit or rgc:audio Triangle II or jGRASP or RPG Maker XP - Postality or Microsoft Office Professional or Spyware Terminator or CS881X & MTM80X Driver(Auto or GB-PVR Music Plugin V or msxml4 sp or Dance Praise or Private Folder & Playlist or Sony Ericsson Device Data or Adobe AIR
Company: Microsoft Corporation (www.microsoft.com)
File: stmain.dll


If you want a detailed security rating about your stmain.dll (and all other running background processes) download the free trial version of Security Task Manager.

Note: Any malware can be named anything - so you should check where the files of the running processes are located on your disk. If a "non-Microsoft" .exe file is located in the C:\Windows or C:\Windows\System32 folder, then there is a high risk for a virus, spyware, trojan or worm infection! Check it out!


Users Opinions

4820 users ask for this file. 4 users didn't rate it ("don't know"). 22 users rated it as not dangerous. 4 users rated it as not so dangerous. 19 users rated it as neutral. 11 users rated it as little bit dangerous. 14 users rated it as dangerous.


All comments about stmain.dll:
related to MSN Toolbar
Marcel Its an file used with the MSN toolbar, and it is completely harmless
Guy Vils Part of MSN Toolbar
Shane MSN Toolbar file... Harmless. (even if toolbar is annoying)
Shu-Tyu MSN Toolbar DLL, minor problems may appear on deleting this file  See also: Link
Eddy Part of the MSN toolbar. As most toolbars not needed, I suggest removing the BHO with HijackThis
LanGame It doesn't let you to open internet explorer
William I came in with MSN Messenger v7.0
angelwings50.1 some how it stops Pogo games from downloading
Donny Rhea This .dll file was corrupted on a IT lab computer here on my campus. It was causing problems with IE opening. I simply cut+paste the .dlls to one folder up, and it allowed me to run IE finally.
Hannibal MSN toolbar dll. Just uninstall the toolbar.
seba part of msn toolbar
it crashes IE
Ari Not Dangerous
Frank Not Sure Still checking the file out, however my IE started to experience problems openning web pages. So far this file seems to be one of the only other sources that might cause this
ronnie d came in with MSN Messenger v 7.0
Lore Completely harmless
Kris The Task manager shows high resposibilty to the CPU and evaluation - but i dont think this is a threat.
ChefJohn When this is running IE 6 crashes with an internal Buffer overrun error. Removing with BHO everything functions normally(?)
Sirocco Closes IExplorer windows seemingly at random.
Roy This is the file that you will see in programs such as HJT that loads the MSN toolbar. If you want to keep your toolbar installed you'll have to leave this file alone.
Crashes IE when attempting to update McAfee services
etirini18 something like MSN or related to it
ickis9 Appears to be part of MSN Messenger v.7.0 Doesn't show up on adaware /spyware/Virus Scans.
Em It prevents me from accessing only certain web pages (ie: some shopping pages, game pages) - no real IE issues though...just annoying.
Tecneac not dangerous at all, part of msn toolbar, just uninstall it in add/remove programs if u want
yasar came in with MSN Messenger v7.0. it is absolutely a spyware. and very dangerous.
GWtech causes crashes in IE and also after running Spysweeper to remove other spyware.
fun1chicago Why run another service when msnmsgr.exe is already running. It's got to be looking or doing something
G. P. Kalenka Durch das add on stmain.dll stürzt mein PC jedesmal ab, wenn darauf über Internet zugegriffen wird
Pali64 Tauchte plözlich auf nach dem ich eine fragwürdige E-Mail öffnete!
John it will reopen itself after closing the process ANNOYING
Alan no problems, but I use firefox no IE
passinthru I now understand that it's a msn toolbar nag. But still it's a menace when checking mail or browsing the net when it crashes IE. Delete it and join yahoo
bunny unneeded, usually safe
Meengla Sometime closing a browser (IE) window running Flash file gives error: 'Stmain.dll' caused an error and then an 'Add-On' dialog box appears to Enable/Disable this.
Ronald Schutte Can be corrupted by downloading IE7 Beta 2. Will prevent startup IE, even after rollback. Disable though advanced tab.
Dan Scorch is a plugin for viewing Sibelius music scores in html formal. I presume that doesn't pose any risks.  See also: Link
Cheesy Bread It will cause problems with IE 7, not allowing you to open IE. Simply uninstall the MSN toolbar until a new version of the toolbar comes out!
JFK You can find this text from the file "Building and sending daily status report..". i think its spyware because of text about sending reports like "Starting new capture session"
peter Giger Makes IE krash...
ollie stopped IE7 and other programs from working, I deleted it, all is well
cuhullainn crashes explore 7 (beta). When disabled, no problem!
matt this file came with my beta 2 version of IE 7.0, if you get this error with IE7 then just disable it
Richard Straley. Malware on XoftspySE.
Ed It causes ie 7 beta to not load. Running xp pro.
Nelo Crash IE (7 beta), Remove it for good using of IE
smiler-35 First spotted when using IExplorer 7 for the first time. Won't allow the programme to open. Can't revert to IE6. Thankfully have Firefox.
Ryan Uninstall MSN toobar
ertac causes crahes ie while attemting to run java applications
ARClark-Steiner uses high resource and show to be IE browser extension as well as a vebatum activity logger  See also: Link
Douglas Camacho on my system just closes some web but, when you need that web you take care about it  See also: Link Link

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More process information

Is stmain.dll spyware or a virus, trojans, adware or worm? Is there a known stmain.dll error?


Other Processes

stmain.dll [all processes]