Aroows up and down, Page Up & Page Down buttons either don't work or makes the page jump to the end
For some reason, the arrow keys (up & down) do not make the websites go up and down. Also, the page up and page down buttons either do nothing or make the sites jump to the bottom.
Every time Firefox opened
== New version of Firefox wa installed (3.6.6)
You may have switched on caret browsing: press F7 to toggle See http://kb.mozillazine.org/Scrolling_with_arrow_keys_no_longer_works
Tools > Options > Advanced : General: Accessibility: [[ ] "Always use the cursor keys to navigate within pages" See http://kb.mozillazine.org/Accessibility_features_of_Firefox See http://kb.mozillazine.org/accessibility.warn_on_browsewithcaret ..... In Firefox 3.6 and later versions you can disable the F7 shortcut that toggles caret browsing by setting the pref accessibility.browsewithcaret_shortcut.enabled to false.
To open the about:config page, type about:config in the location (address) bar and press the Enter key, just like you type the url of a website to open a website. If you see a warning then you can confirm that you want to access that page.