Upgrade to 4.4 fails to load after copying json files

I've installed all of the requirements for 4.4 but the site will not load if I copy the json files back to the build.  IE loads with error code:  INET_E_DOWNLOAD_FAILURE.

you can check this thread may be helpful for you
https://answers.microsoft.com/en-us/ie/forum/all/error-code-inetedownloadfailure/af627813-d201-45f1-8d55-5b18533f376c