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

How to fix stmain.dll related problems?
1. Run Security Task Manager to check your stmain process
2. Run Windows Repair Tool to repair stmain.dll related Windows Errors
3. Run MalwareBytes to remove persistent malware


stmain.dll is a dynamic link library component of the Microsoft's Messenger program (MSN) toolbar. It can be disabled but this may lead to problems if you are using the MSN Messenger service or software.http://www.neuber.com/taskmanager/process/stmain.dll.html 

If you want a detailed security rating about your stmain.dll (and all other running background processes) read the following user opinions, and 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!


Click to Run a Free Scan for stmain.dll related errors


Users Opinions

Average user rating of stmain.dll: based on 73 votes. Read also the 54 reviews.

4964 users ask for this file. 25 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. 6 users didn't rate it ("don't know").


All comments about stmain.dll:
related to MSN Toolbar  
Its an file used with the MSN toolbar, and it is completely harmless   Marcel
Part of MSN Toolbar   Guy Vils
MSN Toolbar file... Harmless. (even if toolbar is annoying)   Shane
MSN Toolbar DLL, minor problems may appear on deleting this file  See also: Link   Shu-Tyu
Part of the MSN toolbar. As most toolbars not needed, I suggest removing the BHO with HijackThis   Eddy
It doesn't let you to open internet explorer   LanGame
came in with MSN Messenger v7.0   William I
some how it stops Pogo games from downloading   angelwings50.1
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.   Donny Rhea
MSN toolbar dll. Just uninstall the toolbar.   Hannibal
part of msn toolbar   seba
it crashes IE  
Not Dangerous   Ari
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   Frank
came in with MSN Messenger v 7.0   ronnie d
Completely harmless   Lore
The Task manager shows high resposibilty to the CPU and evaluation - but i dont think this is a threat.   Kris
When this is running IE 6 crashes with an internal Buffer overrun error. Removing with BHO everything functions normally(?)   ChefJohn
Closes IExplorer windows seemingly at random.   Sirocco
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.   Roy
Crashes IE when attempting to update McAfee services  
something like MSN or related to it   etirini18
Appears to be part of MSN Messenger v.7.0 Doesn't show up on adaware /spyware/Virus Scans.   ickis9
It prevents me from accessing only certain web pages (ie: some shopping pages, game pages) - no real IE issues though...just annoying.   Em
not dangerous at all, part of msn toolbar, just uninstall it in add/remove programs if u want   Tecneac
came in with MSN Messenger v7.0. it is absolutely a spyware. and very dangerous.   yasar
causes crashes in IE and also after running Spysweeper to remove other spyware.   GWtech
Why run another service when msnmsgr.exe is already running. It's got to be looking or doing something   fun1chicago
it will reopen itself after closing the process ANNOYING   John
no problems, but I use firefox no IE   Alan
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   passinthru
unneeded, usually safe   bunny
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.   Meengla
Can be corrupted by downloading IE7 Beta 2. Will prevent startup IE, even after rollback. Disable though advanced tab.   Ronald Schutte
Scorch is a plugin for viewing Sibelius music scores in html formal. I presume that doesn't pose any risks.  See also: Link   Dan
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!   Cheesy Bread
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"   JFK
Makes IE krash...   peter Giger
stopped IE7 and other programs from working, I deleted it, all is well   ollie
crashes explore 7 (beta). When disabled, no problem!   cuhullainn
this file came with my beta 2 version of IE 7.0, if you get this error with IE7 then just disable it   matt
Malware on XoftspySE.   Richard Straley.
It causes ie 7 beta to not load. Running xp pro.   Ed
Crash IE (7 beta), Remove it for good using of IE   Nelo
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.   smiler-35
Uninstall MSN toobar   Ryan
causes crahes ie while attemting to run java applications   ertac
uses high resource and show to be IE browser extension as well as a vebatum activity logger  See also: Link   ARClark-Steiner
on my system just closes some web but, when you need that web you take care about it  See also: Link   Douglas Camacho
First of all its related to MSN tool bar and second it is certified by Microsoft which is trustable corporation ..of course it is bound by all the reuqired laws for internet and customer saftey   Vishal Patel
como recuperar stmain dll   melche
Explorer Extension for Microsoft Messenger (Microsoft Network)   Asier Larrabide
it keeps popping up when i open my yahoo mail   michael sweeney

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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?


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stmain.dll [all processes]