How to remove an stmain error

The free file information forum can help you determine if stmain.dll is a virus, trojan, spyware, or adware that you can remove, or a file belonging to a Windows system or an application you can trust.

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Stmain.dll file information

The process known as st or MSN Search Toolbar Helper or Windows Live Toolbar Search Toolbar Helper

belongs to software st or MSN Search Toolbar or Acoustica Effects Pack or Microsoft Office FrontPage (version 2003) or Dazzle DVC90 or Virtual Moon Altas Image or iTunes or LEARN Microsoft® Access xp

by Microsoft (www.microsoft.com).

Description: stmain.dll is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of the "My Files" folder - generally C:\Program Files\MSN Apps\ST\01.02.3000.1002\en-xu\. Known file sizes on Windows 7/XP are 155,648 bytes (99% of all occurrences), 107,520 bytes, 143,360 bytes or 141,824 bytes.
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your Internet browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as your browser itself. BHOs are often used by adware and spyware. The unique ID of this BHO is 9394EDE7-C8B5-483E-8773-474BF36AF6E4. The program has no visible window. File stmain.dll is able to monitor Internet browser. There is no detailed description of this service. Stmain.dll is not a Windows system file. There is no information about the author of the file. stmain.dll is able to record inputs. Therefore the technical security rating is 76% dangerous, however also read the users reviews.
You could uninstall the software Windows Live Toolbar or Acoustica Effects Pack using the "Add or Remove Programs" function of Windows Control Panel (Windows: Start, Settings, Control Panel, Add or Remove Programs).

Recommended: Identify stmain.dll related errors

External information from Tony Klein:

This legitimate BHO (stmain.dll) is related to MSN Toolbar

Important: Some malware camouflages itself as stmain.dll, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the stmain.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.

Score

User Comments

it keeps popping up when i open my yahoo mail
michael sweeney

Explorer Extension for Microsoft Messenger (Microsoft Network)
Asier Larrabide

como recuperar stmain dll
melche

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

on my system just closes some web but, when you need that web you take care about it
Douglas Camacho (further information)

uses high resource and show to be IE browser extension as well as a vebatum activity logger
ARClark-Steiner (further information)

causes crahes ie while attemting to run java applications
ertac

Uninstall MSN toobar
Ryan

More comments can be found here:
(further information)

Summary: Average user rating of stmain.dll: based on 73 votes with 9 reviews.

25 users think stmain.dll is essential for Windows or an installed application. 4 users think it's probably harmless. 19 users think it's neither essential nor dangerous. 11 users suspect danger. 14 users think stmain.dll is dangerous and recommend removing it. 7 users doesn't grade stmain.dll ("not sure about it").

Stmain scanner

Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.

Spyware Doctor detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.

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