troubles

[Charles221218938lsi]

had photoshop installed some time ago ad then quit working. I keep getting a message to give a path for photoshop (?). The lightroom I had installes at the same time is working fine. windows 10

[John Waller]

I keep getting a message to give a path for photoshop (?)

Many possibilities. What is the exact error message? Can you post a screenshot?

Which version of Photoshop? In Photoshop, click Help > About Photoshop.