On change Permalink to postname show 404 page

Currently I am using worpdress in my wamp localhost. I install the wordpress successfully. Then i created a child theme. But whenever i change my permalink to /%postname%/ it shows any post or page link to 404. I read other blogs too. My .htaccess file is updating automatically. .htaccess code are`
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /streamers/
RewriteRule ^index\.php$ – [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /streamers/index.php [L]
</IfModule>

# END WordPress
Its working on default page id but not with other permalink
` I can’t sort out the problem please some help… 🙁