NOTE: Due to regular maintenance, CIC online services will not be available Saturday, February 4, 2012, from 8:00 a.m. EST to 1:00 p.m. EST.
MyCIC may sometimes be unavailable due to regular system maintenance or unexpected issues. If you have problems connecting, you should try again in a few hours. If you cannot access MyCIC for an extended period, and your status is about to expire, you may also apply using a paper application.
check this web out
http://www.cic.gc.ca/english/e-services/index.asp