The Dominican Republic is the second-largest Caribbean nation by area (after Cuba) at 48,445 square kilometers (18,705 sq mi), and third by population with approximately 10 million people, of which approximately three million live in the metropolitan area of Santo Domingo, the capital city.
Safe mode (sometimes called safe boot) is a way to start up your Mac so that it performs certain checks and prevents some software from automatically loading or opening. Starting your Mac in safe mode does the following: Verifies your startup disk and attempts to repair directory issues, if needed.
One of which is safe mode once you boot into safe mode, go to run type in msconfig go into safe boot option under msconfig you will find under the boot column that active directory repair has been selected uncheck safe boot option and reboot worked for me.