First, that's an expired repository. It will give you an OLD version (1.8.3) Dominic has left the Community and I volunteered to continue HPM maintenance using a new repository. However, you can get to the goal line from 1.8.3 IF you're willing to do all the steps. Begin by doing as @thebearmay suggests and a Repair of HPM. That will upgrade you to the latest (1.8.7) and solve most issues. You will probably see the cosmetic issue of two HPM entries, which is solved by following this:
If you look at the end of the topic @thebearmay suggested, you'll find the same advice offered to someone else:
