gd doesn' work anymore

hi, gd librarly refuses to work it worked before phpinfo(); says enabled (everything) at the gd section and still it doesn't work <hen i try to call a php script that uses gd i get an error message "connection to host is broken" also my counter refuses to work it is a counter wich uses a set op png images i call it like this <img src="/counter/counter.php?page=pagename.php&digit=a"> it shows a "dead image" how do i get it back to "work" ?? help please .............