Have you tried installing anything else to this new runtime? Have a look in the Free stuff here and download the Detective gear by Richabri then try that. it should make a new folder in Props called Detective- it works OK on my system.

What are you using to unzip your stuff??

Poser 11 , 180Gb in 8 Runtimes, PaintShop Pro 9
Windows 7 64 bit, Avast AV, Comodo Firewall
Intel Q9550 Quad Core cpu,  16Gb RAM, 250Gb + 250Gb +160Gb HD, GeForce GTX 1060