PhotoShop Wont open .Dtx files

Well this is what pops up when I try to open a .Dtx file in PhotoShop Cs5.
Yes , I have my plugins and everything else in the correct place

Yes , I did convert the .Dtx file to LithTech
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Im willing to use TeamViewer to fix this.
you put it in flie format?
Alright sure,post your info
try opening photoshop from the folder itself, and not from desktop's shortcut.