I am getting popups and windows opening automatically on my browser, how do I fix this

Do a scan for adware with Malwarebytes: http://malwarebytes.org/antimalware/mac.

(copy and paste the link above into your browser's address bar).

You're welcome, glad it worked!

Howdy SJF

Since it is clear that the AppleJiveTeam is incapable or unwilling to fix out URL posting problem, you might want to fix your browser bookmarks for often used pastings (what a PAIN!)

Malwarebytes | Free Anti-Malware Detection & Removal Software for Apple Macintosh Computers

https://www.malwarebytes.org/antimalware/mac/