How to Allow and Block Pop-Ups in Safari?

Is there anyone who knows about how to allow and block pop-ups in Safari. I am facing some type of popups in the Safari browser. Help me in blocking it.

How to Fix PR_CONNECT_RESET_ERROR Firefox Error?

Please let me know that how to fix PR_CONNECT_RESET_ERROR Firefox error. I am facing this type of error while using Firefox. If anyone can help me then do it.

How to Fix Mozilla Firefox Not Responding?

Hello Everyone, Please let me know that how to fix mozilla firefox not responding? I don't know how to fix it. I tried many times but unable to fix it. Help me.