http://www.icyphoenix.com/viewtopic.php?f=35&t=3773&p=25821#p25821
-----------------------------------
Zuker
Mon 10 Mar, 2008 21:04

Re: Problem!... The User Name Doesn't Change At All
-----------------------------------
[quote user="moreteavicar" post="25816"]Could it be browser cache? It seems you're using firefox - perhaps clear private data under privacy tab? Maybe try Internet explorer to see if fault duplicates in there...[/quote]

i dunno, but we can try it :P
clear al cache and test please!