techonda

its fine , might be your browser outdated

In your wp-config.php file , name and password of your wordpress data are stored. This should match with the name and password of your database on the server.
You can get the site back by uploading files to server and setting the right database password.

try deactivating other plugins and then again recheck

Look at your WordPress.com account because it connects with Jetpack. Your data must be there.

what is your website address .

what is the problem ?

Try updating 3.4.2 to 3.5 and then export the data. Make sure to have backup of your website while updating wordpress.

You can change the theme and set it to look as you want.Things depend a lot on themes. Install a theme that is compatible with your WordPress version.

yes, you can do it.

just search in plugin directory . There are many that could do it

You can use the database repair option

You can insert the images again to a new url.

I think Dave is right, that should work .

does your cache plugin is collecting garbage cache at regular intervals . Check it

You can search for a plugin that can do that, like a navbar plugin. Also contact the theme maker for this, they might help or develop the code for you.