> I tried to download website which contains .shtml 
> and .asp files and httrack(for linux) always 
all .asp 
> and .shtml files convert me to the html and all 
links 
> then are broken.

Why broken? The engine should have renamed ALL 
references to asp or shtml to the nex html ones, no?
>How can i fix this?
First an important remark: you will **never** be able 
to download original asp or shtml files (that is, 
scripting code itself) because http servers do not 
allow that - you will ONLY get html result ; this is 
not an unimplemented feature or something, this is 
just IMPOSSIBLE for security reasons.

If you want this html result to be named with original 
type (asp/shtml), use "options"/"spider"/"check 
document type: never", that is, using the commandline 
version, the '-u0' option. But I don't see the 
interest?