I have been having HUGE issues trying to sync my new HTC One M8 with my Mac. First the application crashes upon opening, as soon as it starts scanning media. One every ten attempts it will open and when I try to sync it crashes again. What a piece of crap! HTC should be ashamed of themselves putting out such buggy and useless software. I guess I will go back to my iPhone, iTunes NEVER crashes. HTC are complete amateurs. I would advise anyone to stay clear from making the mistake to buy HTC.
UPDATE: I TRIED TO CONTACT HTC CUSTOMER SERVICES THREE TIMES. THEY RESPOND WITH GENERIC EMAILS. MOST OF THEIR RECOMMENDATIONS REFER TO PRIOR VERSIONS OF THE ANDROID VERSION AND SO CAN'T EVEN FOLLOW THROUGH THEM. I AM ASTONISHED AT HOW USELESS THEY ARE. I NOW HAVE DECIDED THAT I WANT TO RETURN THE HANDSET AND GET A REFUND AS IT HAS BEEN A HORRIBLE EXPERIENCE. OF COURSE AS SOON AS I MENTIONED THAT, THEY DON'T EVEN ANSWER THE EMAILS. I AM GOING BACK TO MY IPHONE, I HAVE BEEN USING APPLE IPHONE SINCE 2007 AND I NEVER HAD SUCH ISSUES EITHER WITH THE HANDSETS OR WITH THE LEVEL OF CUSTOMER CARE. I GUESS I WILL GET A SMALLER SCREEN BUT AT LEAST I WON'T BE DEALING WITH THE HTC TYPE OF MESS. I WOULD ADVISE ANYBODY CONSIDERING TO BUY THIS HANDSET TO STAY AWAY, SYNC SOFTWARE IS VERY BUGGY AND THE CAMERA SUCKS.