Dont know what Tony was suggesting there because the link isnt working for me. A good program is Irfanview at www.irfanview.com Associate all of your graphics types to Irfanview when you install it. It is an excellent viewer.
If you have a particular viewer you prefer to associate the jpg with: Find a jpg and jpeg in Windows Explorer. Highlight the file and hold the shift key while you right click on it. Choose Open with. Check the box to always open this type of file with this program and then browse for the program you want to open it with in the little box.
Photoshop probably hijacked all of your other graphics types as well, so just installing Irfanview would be the easiest solution.
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