Having established that .NET Framework is installed (although I have no idea where it is), what do I do about the "HKLM\Software\Microsoft\.NETFramework\InstallRoot to point to the .NET Framework install location" problem?
Tech Support Guy System Info Utility version 184.108.40.206
OS Version: Microsoft Windows 10 Home, 64 bit, Build 18362, Installed 20190805174602.000000-300
Processor: AMD Ryzen 3 1200 Quad-Core Processor, AMD64 Family 23 Model 1 Stepping 1, CPU Count: 4
Total Physical RAM: 8 GB
Graphics Card: NVIDIA...
Right Click on Menu does not open Start Menu Context Menu
Tech Support Guy System Info Utility version 220.127.116.11
OS Version: Microsoft Windows 8.1 Pro, 64 bit
Processor: Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, Intel64 Family 6 Model 15 Stepping 11
Processor Count: 4
RAM: 3070 Mb