Well that worked for less than a day, not working again. Contacted Netflix support again, they have no workaround for this problem.

I removed silverlight, started a video.... contacted netflix support in preparation for it crashing, however the app seems to be working fine now, with no changes.. just removing silverlight was...

Oh you tease..... what was the solution?

I have uptodate Win10, netflix app will play for a few minutes then I get a system configuration error, when I spoke to Netlfix support they dont know...