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If repairing manually isn't an option,this wiki mentions DISM(It is a good idea to have your data backed up,as it mentions.):...

Okay,the page says when "Windows Resource Protection found corrupt files but was unable to fix some of them." to view the details(which you have done by looking at the CBS.log and to try repairing...

You could try running sfc /scannow,and see if that might fix things up.There are instructions here:
http://support.microsoft.com/kb/929833
Please let me know how it goes. :)

I don't believe sdtray.exe would use jsproxy.dll in any way,but then again when I thought on it a little,I'm not 100% certain on that.Kind of seems like something might be messed up,though. :)

Try...