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  • So I haven't installed any new extensions or updates, but since yesterday every time I open browser it shuts down, then turns on and then shuts down again until it stops turning on. I've tried reinstalling, but it yielded same result.

  • @memeprotector same for me and it seems to be linked to the synchronization. I installed opera on another computer evrything is fine until I login to start the synchronziation. After I have the same behaviour

  • Did you check with a clean profile folder?

  • @leocg I can't clean my profile as I unistalled opera from my computer. However, I installed a "cleaned" install by following these instructions :
    1.Go to
    2.Click to download the newest version.
    3.Select "Run" to start the installer.
    4.In the installer, click "Options".
    5.Change "Install path" to a location you have write access to (do not use "Program Files") and make a new folder with a name you'll easily identify, for example: "C:\OperaTest".
    6.Change "Install for" to "Stand-alone installation (USB)".
    7.Click "Accept and Install".

    It was working until I start the synchronization... every time I open browser it shuts dow after several retries.

  • I remember some people reporting crashes that seem to be caused by synchronization service.

  • Firewall perhaps? Some internet security products may not like Opera's use of an unusual port for Sync service.