thanks for your reply. I tried to attach CBS.zip to my original post but with no success obviously CBS,txt is 4.04mb which exceeds the i.68mb permitted
The text of sfc fix is as follows
SFCFix version 3.0.0.0 by niemiro.
Start time: 2016-06-17 10:37:26.339
Microsoft Windows 7 Service Pack 1 - x86
Not using a script file.
AutoAnalysis::
WARNING: Failed to get store name from identity name with return code 2 for component Microsoft-Windows-Printing-FDPrint and file scan_settings.ico. File is reported as corrupt by SFC.
CORRUPT: scan_settings.ico of component Microsoft-Windows-Printing-FDPrint.
WARNING: Failed to get store name from identity name with return code 2 for component Microsoft-Windows-Printing-FDPrint and file superbar.png. File is reported as corrupt by SFC.
CORRUPT: superbar.png of component Microsoft-Windows-Printing-FDPrint.
WARNING: Failed to get store name from identity name with return code 2 for component NetFx-ASPNET_WEBADMIN_LOCRES_RES and file WebAdminHelp.aspx.resx. File is reported as corrupt by SFC.
CORRUPT: WebAdminHelp.aspx.resx of component NetFx-ASPNET_WEBADMIN_LOCRES_RES.
WARNING: Failed to get store name from identity name with return code 2 for component NetFx-ASPNET_WEBADMIN_LOCRES_RES and file default.aspx.resx. File is reported as corrupt by SFC.
CORRUPT: default.aspx.resx of component NetFx-ASPNET_WEBADMIN_LOCRES_RES.
SUMMARY: Some corruptions could not be fixed automatically. Seek advice from helper or sysnative.com.
CBS & SFC total detected corruption count: 4
CBS & SFC total unimportant corruption count: 0
CBS & SFC total fixed corruption count: 0
SURT total detected corruption count: 0
SURT total unimportant corruption count: 0
SURT total fixed corruption count: 0
AutoAnalysis:: directive completed successfully.
Successfully processed all directives.
SFCFix version 3.0.0.0 by niemiro has completed.
Currently storing 0 datablocks.
Finish time: 2016-06-17 10:39:12.214
----------------------EOF-----------------------
Hope this helps