I have. I've added it to the list of approved programs. I also added it to my old anti-virus (Avira and Mal-ware bytes). I've also now removed them. Thank you for the suggestion. I'm hoping someone has run into something like this before. As it's completely strange for this to happen. When it all started I was playing in the morning. Logged off(normally), and came back a couple hours later to it not working. I'm thinking there must be something I've overlooked but I just can't find it!