installation problem

[bocked]

hi all , after tried to install ubuntu
whith 2 methods
1-windows mode
2-classic mode

always the progress bar the coputer crush
and the progress bar stop just in the beginning :(:(:(
please help me

[taurus]

What is the spec of your machine? If you have an older PC, try using the alternate CD instead of the desktop CD (LiveCD) to install it. And don't forget to burn it at a slow speed.

[bocked]

i got buffer I/O on *** logical block 17346