I tried to update this ITunes install 4 times I continue to get ERROR 7 - Windows error 127 HELP

Me too! I've cleaned out all iTunes, registry, and still get the error on a clean DL & install... Windows 7.

First try updating to iTunes 11.1.5.5, using an installer downloaded from the Apple website:

http://www.apple.com/itunes/download/

If you still get the errors after that, try the following user tip:

Troubleshooting issues with iTunes for Windows updates