permssion denied HELP !!! thanks

Hi !

I have changed computer and now after log in to the server ,
after going to the page I want to change .

then when trying to upload a pic , I get an error
saying :

line : 41
Chr : 3146
error : permssion denied
code : 0
URL : http://[removed]/admin/pages/ckfinder/ckfinder.html?
type=images

I use IE 6 under XP

already tryed to change security level , no change

pls. advice

Thanks
Aizenmman