http://localhost not working ,IIS 5.1

Dear All,

Am using IIS 5.1 in winx XP pro . I reinstalled IIS in my PC, after
that am not able to run ASP files using http://localhost. If i put
http://my_compuer_name/, its coming, but am not able to pass values
thru forms.

I reinstalled IIS many times, but not able to find the pblm.Please
anyone help me to solve this.

Thanking you

By
S.S.G