连不上校园网怎么办，求解答

windows找不到文件'http：//

http://www.msftconnecttest.com/redirect'%E3%80%82%E8%AF%B7%E7%A1%AE%E5%AE%9A%E6%96%87%E4%BB%B6%E6%98%AF%E5%90%A6%E6%AD%A3%E7%A1%AE%E5%90%8E%EF%BC%8C%E5%86%8D%E8%AF%95%E4%B8%80%E4%B8%8B