Error after update to 3.5.1

Hello,
After I upgrade to 3.5.1 and also tried with new fresh install for version 3.5.1, I am getting below issue:

Server respond with 404, log says as below:

“GET /analytics/index.php?module=CoreUpdater&action= HTTP/1.0”

URL: https://analytics.bluella.in/analytics/

Kindly assist.