Maybe the best thing to do in your case is to turn colour management off and suppress the warnings.
Menu: Photoshop>Color Settings>Settings (choose Color Management Off).
Towards the bottom of that dialogue box is a small checkbox entitled:
Profile Mismatches (Ask When Opening).
Uncheck that and live out your Photoshopping days blissfully unaware of U.S. Web Coated (SWOP) v2 and the like.