127.0.0.1 works, localhost not, on apache2 server

Installed apache2 on my Win 开发者_StackOverflowXP SP3, and it's going well if I acess 127.0.0.1, but when I try to type 'localhost' it returns the error that connection to server has been reset. I tried to ping 'localhost', it shows something like

Reply form ::1: time<1ms

In system32\drivers\etc\hosts it is stated that localhost is 127.0.0.1 (127.0.0.1 localhost). Why could this happen? I've run out of variants.

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::1: is the ipv6 equivalent of localhost - apache seems to only listen on ipv4