User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9) Gecko/2008051202 Firefox/3.0 Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9) Gecko/2008051202 Firefox/3.0 In Firefox 2, simultaneously clicking the right and left mouse buttons activates cursor controlled scrolling. While attempting to activate the same scrolling method with Firefox 3 RC 1 an error box opens stating that the URL is invalid and cannot be loaded; scrolling does not activate. Alternatively, if attempting to activate scrolling while the cursor is over a text box, the most recently highlighted text is copied and pasted into the text box and scrolling still does not activate. Reproducible: Always Steps to Reproduce: 1.Simultaneously click the right and left mouse buttons while cursor in browser 2. 3. Expected Results: Cursor should change to multi-directional arrow, mouse movement should control page scrolling.
turned out autoscrolling was inactive, overlooked while reviewing settings.