Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
Apple CEO Tim Cook Threatens To Double Down On Product Secrecy
Yesterday evening at D10 Apple CEO Tim Cook hinted that a few new products are coming soon but also commented on how he aimed to clamp down on product secrecy to avoid leaks.
Apple has always been known for keeping there products extremely undercover which built a lot of hype up for both Apple keynotes and also product launches and Tim Cook promised to improve on the recently lacking secrecy surrounding products.
For example recently we have got our hands on multiple images on the next generation iPhone which can be seen here