I am having the same problem; trying to open files I created not 2 days ago, getting the same error. My clock is accurate, I also cannot find the folders Sahil mentioned - whether by browsing for them in Documents, or by searching - and resetting my workspace to essentials does absolutely nothing. I have also completely reinstalled Photoshop, and that also did nothing. I would go through the thread Pixxxel listed but I don't speak German ;_; I'm going to try restarting my PC next and see if that changes anything. I'm running Windows 10, and again with sufficient specs to handle Photoshop (as previously mentioned, the files that I'm unable to open now I created literally 2 days ago.)
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