General wordpress help and update Upfront question

Dear expert friend,
(1)
On banglarjob.com
I see a notification to update Upfront though I am not using it,what may be the reason-how to delete it?

On the site there is a default content blog named Latest posts (in Bengali ?????????? ???????? )
This block is not available on the home front page to delete ,where may I find it to delete?

(2)This has been solved

Thanks
Monsur