@sgunhouse I've ran it extension-less ever since this started... I've uninstalled and reinstalled Opera but no luck... It's no big deal except for not being able to check my usps packages... Just makes me wonder what site might be next...
Thank you very much !
I confirm that this method works 100%.
You can automatize the backup at regular intervals (for ex, each day) by using a free software such as "Backup Maker".