internet explorer can’t open the site wp-admin/post-new.php

Hello friends.

I need help, something happened after i updated my wordpress today and installed plugin manager and podpress.

I’m trying to create a new post but just appear a popup with a the message: internet explorer can’t open the site https://www.mydomain.com/blog/wp-admin/post-new.php operation cancelled.

please help me.

thanks in advance.