Hallo,
habe den fehler nun gefunden. habe nur eine pdf.dll datei in den Windows-Systemordner kopiert, apache neu gestartet und schon haus cpdf und fpdf hinne ...
http://de.php.net/manual/en/install.windows.extensions.php#install.windows.extensions.overview
...
Some of the extensions need extra DLLs to work. Couple of them can be found in the distribution package, in the C:\php\dlls\ folder in PHP 4 or in the main folder in PHP 5, but some, for example Oracle (php_oci8.dll) require DLLs which are not bundled with the distribution package. If you are installing PHP 4, copy the bundled DLLs from C:\php\dlls folder to the main C:\php folder. Don't forget to include C:\php in the system PATH (this process is explained in a separate FAQ entry).
mann mann... :-)))
Das habe ich auch gedacht ;-)).
viele Grüße
Axel