Analyzing faces seems stuck in PSE 18

I have about 59,000 photos. Photoshop Elements 18 is taking forever to analyze faces. It has been at 57% for two days, and it took a couple of days to move from 54% to 57%. It hasn't taken this long before. Any thoughts?

I have a Microsoft Surface Pro 4 with a 512 GB SSD, 8 GB of RAM and an i5 processor, running Windows 10. I let it sit day after day with nothing else running when I'm away from the computer. I have the Windows 10 power mode set to never sleep or even turn off the screen.

Please help.