Pop up Web site

Hello Mildred,

Please let us know in which browser this pop-up occurs.
We suggest you to reset the browser and check if the pop-up is still occuring.
Refer to this article to reset your web browser.
Keep us updated.

This site just pop up with out any previous indication at all.
The site is very much unknown to me. How can I stop it?
This is the web address: https://stelahub.com/joinnow/step1.php?lp_tweak=general&a_aid=tvnce&data1=CPVTest2&data2=sign+in&data3=https%3A%2F%2Fwebex.com%2F&data4=%24%7BSUBID%7D&data5=16703

Hello Mildred,

Please let us know in which browser this pop-up occurs.
We suggest you to reset the browser and check if the pop-up is still occuring.
Refer to this article to reset your web browser.
Keep us updated.