</head>

<body>
<div align="center">
<object classid="clsid27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="400" height="400">
<param name="movie" value="file:///F|/trovagenona.info/europiu_montegrappa/vectorslide+.swf ">
<param name="quality" value="high">
<embed src="file:///F|/trovagenona.info/europiu_montegrappa/vectorslide+.swf " quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="400" height="400"></embed>
</object>
</div>
</body>

dovrebbe essere li l'errore devi utilizzare un percorso assoluto
tipo se il file si trova nella cartella europiu_montegrappa "europiu_montegrappa/vectorslide+.swf"
ciao