i downloaded these files, but really don't know how to extract it, do u guys knows? this format usually appear of ftp but i never knew how to extract them. thanks.

flt-vca.001
flt-vca.002
flt-vca.003
flt-vca.004
flt-vca.005

Use winrar or powerarchiver.

You'll need the complete set of files in order to extract them all though.

Look Here (http://www.rarlab.com) for WinRar m8.

oh, thanks :)