Firefox keeps opening on the last used page not the default set - why and how to fix it?
All of a sudden Firefox stopped opening with the default page I set and opens with my last used page. I don't know why this suddenly started. I have reloaded Firefox - that didn't fix it. I have reset my homepage - that didn't fix it. I just want it to go back to the way it was and open on my homepage when I want to use it, not the last page i used yesterday or 10 minutes ago. I am at WTF now, so if you can assist in any way in resolving this problem, that would be greatly appreciated. Thanks!
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You can check if you have a user.js file in the Firefox profile folder that sets the browser.sessionstore.resume_session_once pref to true.
You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.
The user.js file will only be present if you or other software has created this file and normally won't be present.
You can check its content with a plain text editor (right-click: "Open with"; do not double-click). The user.js file is read each time Firefox is started and initializes preferences to the value specified in this file, so preferences set via user.js can only be changed temporarily for the current session.
You can delete the user.js file if you didn't create this file yourself.