Ho provveduto in php.in a modificare la riga in rosso a quella in verde

;Windows Extensions
;Note that MySQL and ODBC support is now built in, so no dll is needed for it.
;
;extension=php_mbstring.dll
;extension=php_bz2.dll
;extension=php_cpdf.dll
;extension=php_crack.dll

a:
;Windows Extensions
;Note that MySQL and ODBC support is now built in, so no dll is needed for it.
;
extension=php_mbstring.dll
;extension=php_bz2.dll
;extension=php_cpdf.dll
;extension=php_crack.dll

ma il problema persiste...