I am trying to install MikTex 2.9.3927 on Windows 7 x64. Very early in the installation process, I get a MikTex setup wizard error saying: "Windows API Error 2: The system cannot find the file specified Details: C:...\somefile.tpm"
The file that results in the error seems to be different every time I try. I have tried many different installation paths, with many different setup options. The same error occurs if I download the ~138MB "Basic MiKTeX 2.9" Installer or if I use the Net Installer to download the entire setup (~1GB).
Note that this is a duplicate question - the other copy of this question is closed to users of under 10 rep.
I have asked it so that I can provide an updated answer...