taskkill 相當於強迫FX crash
所以FX會詢問要恢復session還是開一個新的session
網址列 about:config
引言回覆:
If you do not want Firefox to automatically restore your session after one crash, set the preference browser.sessionstore.max_resumed_crashes to 0 (default is 1).
引言回覆:
Disabling crash recovery
To disable the crash recovery feature, set browser.sessionstore.resume_from_crash to false
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Completely disabling session store
set the preferences browser.sessionstore.max_tabs_undo and browser.sessionstore.max_windows_undo to 0.
http://kb.mozillazine.org/Session_Restore