stata/se11版本以前随时都可以更新，现在更新或者ssc 的时候总是出现以下症状：

running D:\stata11\profile.do ...
Checking http://www.stata.com for update... http://www.stata.com/updates6/up.cgi?s
> =71606281563&v=1120&r=1 could not be opened for read by copytextfile
unable to check for update; verify Internet settings are correct.
. ssc install archqq
could not open local network socket
http://fmwww.bc.edu/repec/bocode/a/ either
  1)  is not a valid URL, or
  2)  could not be contacted, or
  3)  is not a Stata download site (has no stata.toc file).
r(678);
请问应该如何处理？