I guess I just need to know if its safe to call this number and is it actually Microsoft???"
Know more about 855-603-4678 pop-up
855-603-4678 pop-up is recognized as a fake tech scam, which is designed by scammers to promote their paid support services and programs by scaring victims with fake error warnings. As a matter of fact, the causing of this scam pop-up is because your PC is attacked by an adware or a potentially unwanted program.