showes

i have acer 5745..the hdd had bad sector or error amd the os after installation worked fine for the first few times then later it took time to load the os..and sometimes it showes 322020 segment is unreadable..how to check the laptop is fine after i get it 4m service center?.?

I can't open .mov files in Quicktime. It shows an error. I have put a screenshot below... When I open in Real Player it just showes a blank white screen. P.S No virus, latest version of both players...