Funny NYPD wrote:
> I am currently use Firefox V3.6.13. And set it up for auto-upgrade.

Auto-update of any software is generally a bad idea for exactly this reason=
..

> I can manually rename the file to a *.pdf, but with tens~hundreds pdf
> files downloading/day,

Hundreds of PDF files a day!?  Either you've got a strange job or you need
to get a life ;-)

--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.