As noted by Quietman7
FYI: Just received an email from Derek Knight, MVP with this link...Windows 10 Technical Preview Has A Keylogger to Watch Your Every Move
PERMISSION TO KEYLOG
There is a keylogger built into the tech preview which was stated in the Terms and agreement when installing the tech preview.
rockysosua managed to find a folder that contained logged keystrokes from IE in
I don't know which process is doing it, but everything I write in Internet Explorer is logged in a folder called ZPBXU1LL.