Can't view video clips online

[laplee]

friends,

i use both Safari & IE for web browsing,
yet sometimes i can't watch the video clips
on the web,
why's that?
there's a lego-like cube with question marks on the side
when this happens.

please help.

lap

 

[Eidorian]

Is it an Intel or PowerPC Mac?
Which version of Mac OS are you running?
What website(s) are you having trouble on?