What have you done for trouble-shooting so far?
Restoring Preferences after making sure all customized presets like Actions, Patterns, Brushes etc. have been saved might be a good starting point:
I have tried to reinstall Photoshop. No luck. The thing is, I can open the other files of this format
Could you please post a screenshot to illustrate the issue?
1 person found this helpful
Google could've told you where to look for a solution.
Thanks for useful info friend