Windows 10 bereikte EO (einde ondersteuning) op 14 oktober 2025. Als je Windows 10 gebruikt, lees dan dit artikel.

Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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when firefox starts show my windows and tabs from last time is greyed out

mowzum

firefox 4.0 startup. when I go to general under options when firefox starts show my windows and tabs from last time it is grayed out and I can't select it.

firefox 4.0 startup. when I go to general under options when firefox starts show my windows and tabs from last time it is grayed out and I can't select it.

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I fixed this problem myself by changing the history settings. I had it set to never remember history. Once I changed it to remember history I was able to change the setting to show the previous tabs and it stuck.

Yes, that can happen if you run Firefox in Private Browsing - Use Firefox without saving history mode.

  • You enter Private Browsing mode if you select: Tools > Options > Privacy > History: Firefox will: "Never Remember History"
  • To see all History and Cookie settings, choose: Tools > Options > Privacy, choose the setting Firefox will: Use custom settings for history
  • Uncheck: [ ] "Automatically start Firefox in a private browsing session"