Moving rather than deleting is a precautionary step. Move the file called sessionstore.jsonlz4 to another location (like your desktop).The copy of the unaccessed backups folder was necessary and should be safe. Generally, you want to avoid file system operations (move, copy, delete) in this folder while Firefox is running. 13 respostas 35 têm este problema 3426 visualizações Última resposta de jscher2000 - Support Volunteer há 6 anos. Make a copy of the sessionstore-backups folder. Google searches on jsonlz4 and also failed to turn up any useful information. Firefox restore a previous session before last from a jsonlz4 recovery file.In the profile folder (for example, fault-release), if you scroll down a bit, you should see the sessionstore-backups folder. replaced sessionstore.jsonlz4 (or copied there if that file didnt exist) with upgrade.A file system view of your profile folder will show up.In the Application Basics section, click the Show in Finder Open Folder Open Directory button in the Profile Folder Profile Directory line (shown below on macOS).upgrade. Open the Troubleshooting Information page by entering about:support in the Firefox address bar. The latest news and developments on Firefox and Mozilla, a global non-profit that strives to promote openness, innovation and opportunity on the web.If this page is empty or the Restore Session is disabled, continue reading. Move the file called sessionstore.jsonlz4 to another location (like your desktop).
If a session is lost, hopefully the restore pages open automatically, but if not go to about:sessionrestore in the location bar.