= Firefox =

<<TableOfContents>>

= Disable 'Reset Firefox ...' =
 * Tired of annoying mesage "It looks like you haven't started Firefox in a while. Do you want to clean it up for a fresh, like-new experience? And by the way, welcome back!"
 * Solution found at http://miroslav.suchy.cz/blog/archives/2014/05/13/how_to_disable_reset_prompt_in_firefox/index.html
 * step by step:
  * Open: `about:config`
  * Create a new entry by selecting any entry > right mouse click > New > Boolean
  * Enter the preference name: `browser.disableResetPrompt`
  * Value: `True`

= This Connection is Untrusted =
{{attachment:ff1.png}}
 * You see this message on encrypted sites with selfsigned certificates. If you trust the site, click: 
{{{
I Understand the Risks > Add Exception > Get Certificate > Confirm Security Exception
}}}

= Profile in use / Clean lock files =
 * After an unclean stop of  Mozilla or Thunderbird (application crashes, desktop session crash, server crash ) it happened frequently that a new start of the application fails with:
{{attachment:inuse.png}}
 * To clean the setup, start either
  * `Applications > System Tools > Clean Firefox/Thunderbird - Remove Lock', or`
  * call `rmlock.sh` from a terminal.

= Turn off Spell Checker =

== Windows ==
`Tools > Options > Advanced > General > Check my spelling as I type: Off`

== Solaris / Linux ==
`Edit > Preferences > Advanced > General > Check my spelling as I type: Off`

= Firefox Not Scrolling with Up/Down Arrow Keys or Home/End Keys =
 * Hit '''F7''' to activate/deactive 'caret browsing'
 * http://en.wikipedia.org/wiki/Caret_navigation