Solution : https://service.sap.com/sap/support/notes/1304503 (SAP Service marketplace login required)
Key words :
sap crm webchannel / sap e-commerce, /crm/tc/corechanged files, sap service marketplace, style sheets reason, attached service package, com_sap-shrjavdevelopment component, e-commerce, software component, internet explorer 7, browser version
Related Notes :
1064439 | Browser-specific stylesheets for Firefox and IE7 |