Can't install kfind and catfish file search

So today I downloaded two large files, the downloads were said to be complete however when I went to access them only one had survived and was visible in the drive. I went ot use catfish file search to find the other and it spent well over 15 minutes and is still running. I could not use it to just search the ssd that Linux was installed to and it went on to search all three disks I have. So I went to install kfind to see if that could search the intended drive more specifically any better and yet it presented me with a error: