files not opening up

Unfortunately you haven't given us any information about your system. Therefore, all proposed solutions are a look into the crystal ball.

• Which version of Photoshop do you use?
• Which operating system do you use? 
• Please decribe your issure more detailed.
• What you’re trying to do and which result youR’e expected?
• Describe the steps you’re doing so we can try to reproduce.
• Which error message do you get? Please post the message word-by-word.
• What has been changed on your system before the error occur?