It has to do with this line: (line #142 & #167)
if left(key, len(strCookieUrl)) = strCookieUrl or left(key, len(strUniqueID)) = strUniqueID then
all you need to do is change both lines in the current admin_variable_info.asp to this:
if left(lcase(key), len(strCookieUrl)) = lcase(strCookieUrl) or left(lcase(key), len(strUniqueID)) = lcase(strUniqueID) then