Hi Kanikas100,
I really don't understand these steps. I am simply trying to install Photoshop CC onto my Mac for a trial prior to purchase. I don't understand why it is so complex to fix a simple installation. If I can't, as a prospective customer do this easily without putting on a 'tech' hat, it speak very badly for Adobe and your products.
I never had this problem with Lightroom 4 and 5.
Can someone give a simple step by step trouble shooting guide.