@leocg "It's probably the client fault."

Thanks for the help.

Nice Browser.

@leocg Yes and it also shows my other 2 devices name (of the same pc) but the bookmarks and history before I had reset my pc aren't there.

I just reset my pc and logged in to my opera account, after trying to sync everything I noticed that nothing happened my bookmarks or even my history didn't sync.

I made an account before resetting my pc and make sure everything was sync but after resetting it didn't kept my stuff. Also I don't have a backup.

I supposed all synced information should be stored in a cloud server or something.