Please can someone help with this error when trying to enter admin pages: C:\Program Files\Openfire\conf\openfire.xml Content is not allowed in prolog
also this on first download 
HTTP ERROR 500 java.lang.NullPointerException
| URI: | /setup/setup-host-settings.jsp |
|---|---|
| STATUS: | 500 |
| MESSAGE: | java.lang.NullPointerException |
| SERVLET: | org.jivesoftware.openfire.admin.setup.setup_002dhost_002dsettings_jsp |
| CAUSED BY: | java.lang.NullPointerException |
Thank you