Symantec says BOO!

Symantec would like to scare you and make you buy their product. By testing on an interim (ie. not a beta) build that is over 8 months old
8贷㇝죸ԢĮĿ8죸Ԣ줐they found bugs that were fixed by Microsoft in the build that was released 2 months ago without their input.

That means that, we found, fixed, and shipped out every bug they independently found before they could finish their paper and scare you.

Don't be fooled by scare mongering. Research your options and make the proper solutions.