Error When Logging Onto Bnet

Whenever I log onto bnet, I get an error saying:

Unable to Identify Version
Battle.net is unable to properly
identify your application version.

I've tried to re-install d2, it worked for like 1/2 a day, but then I started getting it again, can some1 please tell me wuts going on

hm...it seems like your cd is just messed...i don't know what else could cause that...unless some hacker could of done it but what hacker would want to hack your comp??

Use a nocd loader from www.diabloworld.com.