sammie
its the .htaccess rewrite rules that you have to use if you are using the frendly permalinks,
i addressed that issue with your other post called Title...

copy n paste your downloaded dolphin root .htaccess content into the root of your dolphin install .htaccess file. and check the "Enable friendly profile permalinks" in the admin / setting / advanced settings. about the 22nd item from the bottom
 
 
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