Thanks....I have been in conversation with Rip, not resolved on my Tablet laptop but has installed okay on my other Laptop........so it is probably an OS problem.....
I think a re-install of the OS is required!!
P.S....Thanks Rip for your advice!!
V2019 Plat 64bit, Lenovo P72 Laptop, Window 10 Pro for Workstations, Intel Xeon E-2186 CPU @ 2.90 Ghz (6 cores/12 threads), 32GB RAM, 512GB & 1TB SSD's, Nvidia P5200 c/w Max=Q Design GPU, Display UHD 3840 x 2160 pixels
TurboCAD user since V3 and Turbocad 3D V1.