randallaw, you can open Market and Store windows inside you're house normally (with a Market Board). Since there's no Merchant in your house, you can't open the Merchant window.
Liril, some of the foundation files included with various pieces are out of date. Download a copy of
FetishClassic and install the following files from that ZIP:
_FetishStyles.xml
Font_Euro_Arial14T.xml
Font_Japan_Arial14T.xml
FontArial14.xml
FontArial14T.xml