Without solving this error ,you cant go ahead. To solve this issue you need to make some changes in the httpd.conf file of the apache server. If you are using wamp server,you can access the httpd.conf file as bellow.
Just remove the “#” in that line in the httpd.conf file. then save & restart the Apache Server. The problem must be solved.
If not then make sure that the code written in apache/conf/extra/httpd-vhosts.conf file is like as the code given below.
Allow from all
#Deny from all