in file 'register.asp' at line you will find this code
<tr class="tableRow">
<td><% = strTxtLocation %></td>
<td>
<select name=location>
<option value="<% = strLocation %>" disabled selected><% If strLocation = "" Or strLocation = null Then Response.Write "-- " & strTxtSelectCountry & " --" Else Response.Write strLocation %></option>
<!-- Include countires include file -->
<!-- #include file="includes/select_countries_list.asp" -->
</select>
</td>
</tr><%
replace it whit this code
<tr class="tableRow">
<td><% = strTxtLocation %></td>
<td><input type="text" name="location" id="location" size="30" maxlength="40" value="<% = strLocation %>" /></td>
</tr><%