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deletion of old windows stored in memory

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Hello,


I have been using Firefox for many years, but I encountered a problem several months ago. I searched the same window a lot, then closed it. Since then, I have not found anything. It’s impossible to get rid of it and the more I try, the more backups of this window are made on my icon in the taskbar. I currently have 12 displayed with 46 tabs for each one. Can you tell me how to delete them? I thought about uninstalling Firefox, but that would mean losing both my bookmarks and saved passwords. I thank you very much for your help and wish you a very happy New Year. Jean-Pierre

Hello, I have been using Firefox for many years, but I encountered a problem several months ago. I searched the same window a lot, then closed it. Since then, I have not found anything. It’s impossible to get rid of it and the more I try, the more backups of this window are made on my icon in the taskbar. I currently have 12 displayed with 46 tabs for each one. Can you tell me how to delete them? I thought about uninstalling Firefox, but that would mean losing both my bookmarks and saved passwords. I thank you very much for your help and wish you a very happy New Year. Jean-Pierre