It really shouldn't take 10 minutes. Have a look at other things that may be impacting the performance:
- License server availablity
- Windows update
- Some other application?
Here's my system running NX10 inserting a block (although it is Windows 7):
take a look at your processes and see what's going on. While I have not had any slow downs with NX, a few other Softwares that I run are pretty sensitive to virus scanner activity.
When running certain things, I see a flurry of processes going off that was tied to TrendMicro and I had to have the IT peoples make some tweaks.
Elmhirst Industries, Specializing in Prototype sheet metal stampings and assemblies
Production: NX 12.0.1 / Autoform r7 /WorkNC 2018 r2
PC: Rave Cadbeast: Intel(R) i7-4790K CPU @ 4.GHz /32gb ram /NVIDIA Quadro P2000 on Win10 Pro