Please clarify what it is you are trying to do?
How many times have you installed Adobe Photoshop CS3? Or do you mean whenever you try to Open photoshop?
What other .exe files are you trying to open?
Please also tell us what OS you are using.
What is ransomware and how do I protect my PC from WannaCry?
What I learned from my mentor, Oscar-winning VFX supervisor Phil Tippett
Siri vs Google Assistant