When did you download version 184.108.40.206? If it was prior to July 20 then you should download it again as a few files were patched after the initial release:
Updated 2011-07-20 patched to fix a bug in the Contact Form and a script error that could occur if running in a non root site
the only files that changed are:
You should also review the Important Skin Changes sticky thread for notes about skin changes since your previous version.
Hope that helps,