1 Answer

There are a few things you can do which might help :

Allow your email to fully load up before you click on anything.
Wait for the loading icon in the browser to stop and then try.

If that doesn't help then reload your email or sign out then sign back in.

Make sure your browser is updated to the latest updates and
has the latest version of Adobe Flash player plug-in.

You can also clear the browsing history by pressing control,shift & delete together.
This works for both Internet Explorer & Firefox.Can also work for Chrome as well.

Try another web browser to what your using this might help.

You can also access Yahoo mail on your mobile phone if you have one.
It's a fast,reliable and efficient way to using yahoo mail.