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What is sysmain.dll?

Part of Superfetch-Diensthost by Microsoft

(sysmain.dll is a system file that is installed with Windows)

Download Boost and enjoy your PC. Speed up Superfetch-Diensthost and optimize your PC.

How is sysmain.dll loaded?

Scheduled task - sysmain.dll is launched automatically by registering itself into the Windows Task Scheduler under the task name 'WsSwapAssessmentTask'. Task Scheduler provides the ability to schedule the launch of programs or scripts at pre-defined times or after specified time intervals or even with event-based triggers.

Autoplay handler - sysmain.dll is typically associtated with identifier name of MSCreateRdbCache with and identifier of SOFTWARE\Microsoft\Windows\ CurrentVersion\Explorer\AutoplayHandlers\Handlers\MSCreateRdbCache. Autoplay will scan removable media, when it arrives, looking for media content types (music, graphics, or video). When a removable media arrives, Windows determines what actions to perform by evaluating the content and comparing it to registered handlers for that content. An application will register a handler for Autoplay events associated with a media type.

Hosted service - sysmain.dll is typically associtated with identifier name of ede27eace742ee2888c5dd36400a2ec0 with and identifier of SysMain. A Windows Hosted Service is a service that is implemented as dynamically-linked library (DLL) run under the (Service Host) SvcHost process.

Superfetch-Diensthost is loaded by:

svchost.exe (ระบบปฏิบัติการ Microsoft® Windows® by Microsoft)

Community

What is the community is seeing?	What is the community is doing?
About 0.2% of all Boost users have the sysmain.dll file.	Of the 0.2% of sysmain.dll users, less than 1% have disabled it.

How resource intensive is the loaded module sysmain.dll?

Comparison based on the average resource utilization across all programs.

0.18952720% CPU15793.9%

Average thread CPU utilization across all loaded modules is 0.00120%.

175 context switches/sec1166.7%

Average context switches for all programs is 15 per second.

Typical file (disk image) location:

sysmain.dll

What else is related?

msvcp60.dll (Microsoft (R) Visual C++ by Microsoft)

rstrui.exe (System Restore Application by Microsoft)

dismhost.exe (Dism Host Servicing Process by Microsoft)

bcmsqlstartupsvc.exe (Business Contact Manager for Microsoft Outlook 2010 by Microsoft)

msonsext.dll (Microsoft Office by Microsoft)

encwcbar.dll (Microsoft Encarta by Microsoft)

workfolderssvc.dll (Microsoft® Work Folders Service by Microsoft)

appreadiness.dll (AppReadiness by Microsoft)

ole32.dll (Microsoft OLE for Windows by Microsoft)

microsoft.biztalk.brmacontrols.dll (Microsoft (R) BizTalk (R) Server 2010 by Microsoft)

ssoconfig.exe (Microsoft® Enterprise Single Sign-On by Microsoft)

webfarmservice.exe (Microsoft IIS Extensions by Microsoft)

tfsjobagent.exe (Microsoft® Visual Studio® 2010 by Microsoft)

tfsbuildservicehost.exe (Microsoft® Visual Studio® 2010 by Microsoft)

ruleengineupdateservice.exe (Microsoft (R) BizTalk (R) Server 2010 by Microsoft)

entsso.exe (Microsoft® Enterprise Single Sign-On by Microsoft)

btsntsvc.exe (Microsoft (R) BizTalk (R) Server 2010 by Microsoft)

drmstor.dll (Microsoft® Windows Media Services by Microsoft)

themeui.dll (API de tema do Windows by Microsoft)

ntbackup.exe (Utilitário de cópia de segurança do Windows by Microsoft)

browseui.dll (Biblioteca da interface de utilizador do browser da shell by Microsoft)

shdocvw.dll (Objecto Doc da shell e biblioteca de controlos by Microsoft)

What Windows OS versions does this run on?

Windows 8 (6.2.9200.0)

Windows 8 Enterprise (6.2.9200.0)

Windows 8 Pro (6.2.9200.0)

Windows 8 Pro with Media Center (6.2.9200.0)

Windows 8 Single Language (6.2.9200.0)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...

www.microsoft.com

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