Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Cannot turn on "Open previous windows and tabs" in version 104.0.2

more options

Windows 11 Pro 64bit, v.22000. All of a sudden, Firefox goes haywire. Latest is I cannot turn on Open previous windows and tabs in version 104.0.2. The checkbox is simply grayed-out. WHY??? I didn't make any changes - these problems just started on their own. Also, none of my passwords for various websites are automatically available anymore.

Windows 11 Pro 64bit, v.22000. All of a sudden, Firefox goes haywire. Latest is I cannot turn on Open previous windows and tabs in version 104.0.2. The checkbox is simply grayed-out. WHY??? I didn't make any changes - these problems just started on their own. Also, none of my passwords for various websites are automatically available anymore.

All Replies (1)

more options

Could you make sure your Firefox is not set to run in Automatic Private Browsing mode. That is set on the Settings page, Privacy & Security panel, History section.

While you're there, if you have Firefox set to clear history when it closes, use the Settings button to verify that it is NOT removing Browsing & Download history, since that also will clear session history (open tabs).