Among the other suggestions since this is Windows it could be ACL issues.  Are you sure the service is started correctly for the httpd?

Earnie

From: support-bounces@drupal.org [mailto:support-bounces@drupal.org] On Behalf Of Nancy Wichmann
Sent: Tuesday, January 13, 2015 11:54 AM
To: Drupal Support
Subject: [support] Weird Browser Problem

Sunday night I was able to log in to my local version of a web site with Chrome, IE, FF, and Safari. Then I had to reboot. Now I cannot get to that site with Chrome, IE, or Safari. I use Wampserver. I can get to other local sites just fine, and I can access this one site with FF with no trouble. The error I'm getting is 403. Any ideas?