[Hot Fix] B1386 - Users may encounter performance issues with Coreserviceshell.exe in Worry-free Busines Security (WFBS) 7.0

Solution ID Last Updated
1057568 Feb. 03, 2012 9:28 AM (PST)

Product / Version Platform
Worry-Free Business Security Standard/Advanced - 7.0;
Windows - 2003 Enterprise Server, 2003 Small Business Server, 2003 Standard Server Edition, 2003 Storage Server, 2003 Web Server Edition, 2008 Enterprise Server, 2008 Small Business Server, 2008 Standard Server Edition, 2008 Web Server Edition, 7 32-bit, 7 64-bit, Vista 32-bit, Vista 64-bit, XP Professional

Problem Description

Users may encounter performance issues with coreserviceshell.exe and an error that occurs in the application event viewer may cause coreshellservice.exe to stop unexpectedly. 

This hot fix prevents performance issues in coreserviceshell.exe and prevents coreshellservice.exe from stopping unexpectedly as well.


Important: This hot fix was merged with WFBS 7.0 Critical Patch Build 1396. Customers are advised to install this Critical Patch instead of the hot fix below. For more  information on this patch , please refer to this article: Worry-Free Business Security (WFBS) 7.0 Critical Patch Build 1396.  

Hot fix B1387 was created to address this issue.

Release date:  02/03/2010


Please do the following:



For more information, check the attached Readme file




Request the hot fix file from Trend Micro Technical Support.




For Premium Support Program (PSP) clients, contact your Technical Account Manager (TAM) directly.




Important: Hot fixes are downloadable code fixes for bugs or specific issues that occurred to specific customers. Hot fixes are meant to be interim solutions that will eventually be consolidated into a patch or service pack for your product. 


Customers are advised to apply patches or service packs instead of individual hot fixes whenever possible. 



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