Thanks, that did the trick.

Sadly the thing crashes when run.

This is more involved than I thought it was gonna  be.. :)

$ ./wine64 winecfg

fixme:service:scmdatabase_autostart_services Auto-start service L"clr_optimization_v4.0.30319_32" failed to start: 1359

fixme:heap:RtlSetHeapInformation 0x350000 0 0x23fd40 4 stub

fixme:heap:RtlSetHeapInformation (nil) 1 (nil) 0 stub

fixme:process:SetProcessShutdownParameters (00000380, 00000000): partial stub.

wine: Unhandled page fault on read access to 0x00000008 at address 0x7f5c6c942ea9 (thread 000b), starting debugger...

err:setupapi:create_dest_file failed to create L"C:\\windows\\system32\\mscoree.dll" (error=80)

wine: Unhandled page fault on read access to 0x00000008 at address 0x7fb28da92ea9 (thread 0009), starting debugger...

winedbg: Internal crash at 0x7f9f30337ea9

[a@a loader]$ fixme:heap:RtlSetHeapInformation 0x4a0000 0 0x23cc40 4 stub

wine: Unhandled page fault on read access to 0x00000008 at address 0x7f9dfb608ea9 (thread 0036), starting debugger...

You might need commit 40166848a7944383a4cfdaac9b18bd03fbb2b4f9 .