Review this: https://answers.microsoft.com/en-us/insider/forum/insider_wintp-insider_devices/symantec-endpoint-protection-windows-10-ip-build/86916802-c56f-4a59-9185-a2617f2291df. I believe this...

Not a direct response to post #9 but I did try to upgrade using the Win 10 RTM image. I am on build 14271 and it only gave me the option to do a complete install (i.e., no upgrade option). Doing a...

Thanks for some hints. I don't have gamepad and I just checked region/language. Everything checks. For good measures, I also deleted almost everything not being used from my "Programs and Features". ...

Same here. I have been unable to install last two builds - 14279 and 14291 - because of UNEXPECTED_KERNEL_MODE_TRAP. I wonder if anyone at Microsoft is looking into these issues.