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Startup - Mac OS X v10.6 or later: "Insecure Startup Items folder" message appears after logging in
If necessary, boot to the Recovery Volume (command - R on a restart) and select Recovery Volume. Run Disk Utility and select First Aid. Then re-install the OS.
it looking for an operating system. try to boot your computer externally and if ok save your data off that drive then try to reinstall operating system. Good luck, you most likely don't have the means to do it but seek some assistance.
thank you for the advice Smoker, i already try to reboot but still the same way happens.. still i can see in the screen is a 1 folder with question mark inside...
hope that someone can help me
Update MacOS Sierra
