Looks good. Christmas tree is lit again. Registry is working. I'll keep it set to
FULLest selection 1709/1803
for Windows 10 Pro x64 [10.0.14393.0] 1607 !!!

The 4 NET apps I've been testing with: Acrylic, ILSpy, ShowKeyPlus, DotNetVerDetector all are WORKING ok.
Thanks, James !!================full text of 18R1 ------------------------------
<32Bit>
2.0.50727.8745
->Y:\Programs\Microsoft.NET\Framework\v2.0.50727
4.6.1586.0
->Y:\Programs\Microsoft.NET\Framework\v4.0.30319
<64Bit>
2.0.50727.8745
->Y:\Programs\Microsoft.NET\Framework64\v2.0.50727
4.6.1586.0
->Y:\Programs\Microsoft.NET\Framework64\v4.0.30319
< Installed .NET Frameworks >
.NET FW 2.0 SP 2 (CLR:2.0)
.NET FW 3.0 SP 2 (CLR:2.0)
.NET FW 3.5 SP 1 (CLR:2.0)
.NET FW 4.6.2 Windows 10 April 2018 Update (CLR:4.0)
.NET FW 4.7 Windows 10 April 2018 Update (CLR:4.0)
.NET FW 4.7.1 Windows 10 April 2018 Update (CLR:4.0)
.NET FW 4.7.2 Windows 10 April 2018 Update (CLR:4.0) these are new< Installed Updates >
Microsoft .NET Framework 4 Client Profile
KB2468871
KB2468871v2
KB2478063
KB2533523
KB2544514
KB2600211
KB2600217
Microsoft .NET Framework 4 Extended
KB2468871
KB2468871v2
KB2478063
KB2533523
KB2544514
KB2600211
KB2600217
KB2468871
KB2468871v2
KB2478063
KB2533523
KB2544514
KB2600211
KB2600217
< Installed Languages 3.0>
English - United States
< Installed Languages 3.5.x>
English - United States
< Installed Languages 4.x>
English - United States