Please explain the problem in detail. What happens? What is/are the exact error message(s) ? ----------- [https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode] {web link} A small dialog should appear. Click '''Start In Safe Mode''' (not Refresh). Is the problem still there? ------------ Start your '''Computer''' in safe mode with network support. Then start Firefox. Try '''Secure''' websites. Is the problem still there? http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Starting Any Computer In Safe Mode; Free Online Encyclopedia