Can't login to wordpress admin?

Question

Mozilla Firefox

In general, the site works, but when you press something from the admin page, the page does not load, and there the cross changes to a circle and circle
PS everything works in another browser

Answer 1

Enable php error reporting. The white page is a sign of errors in its code.

Answer 2

If it works in another browser. Could it be the browser cache? For example, you transferred the site from http to http and now there is an eternal redirect

Answer 3

Ctrl+F5 press to start :)