Google not working in Firefix

Hi, I am using Windows and I prefer using firefox as my browser.

Problem: Google does not work for me anymore. It just does nothing. No Error, just nothing happening.

Sometimes it still works but its really rare and I am not doing anything differntly.

The problem only occurs with goggle and other websites work. https websites also work.

I alreads looked up proxy options and put it to "no proxy".

Found some advice and did that: changed standard search engine in options to another, then back to google. That worked one out of five times.

I did a virus scan with my antivirus and downloaded another antivirus and did another scan. Did not find any viruses.

I would really appreciate help because I want to keep using firefox and google.