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#11
I'm not familiar with manually editing the registry, so this is alien territory to me. The first link I gave in the OP (Update to enable TLS 1.1 and TLS 1.2 as default secure protocols in WinHTTP in Windows) lists registry changes that need to be made as well, and links a microsoft-made EasyFix as well. Using these did nothing for me, and I suspect it is because TLS isn't even visible under SCHANNEL. Will these somehow help with that? Could you give me a bit of a layman's explanation on how to make these changes? I'm especially confused because the 4 registry keys listed in your link are all identical, and the string of 00000000 at the end looks like it's meant to hold the registry value - e.g. the first link says 0x00000200 is the value for TLS 1.1. Sorry, I'm a bit out of my depth and I guess I know only just enough to confuse myself.
Also, Roy, I found TrustedInstaller in my C:/Windows/servicing folder. It's there, just failing to initialize. I'm attaching screenshots of both the regedit page and the servicing folder.