I solved the problem, the issue was about using xampp locally. The solution is
The solution is to turn on mod_rewrite by editing apache/conf/httpd.conf. Just remove the comment in front of the line (around line #118) and restart Apache.
LoadModule rewrite_module modules/mod_rewrite.so
thanks to http://www.webtechdaily.com/2008/11/21/how-to-fix-object-not-found-error-when-using-xampp-and-wordpress/
