error 0xc1900101-0x20030018 updating w8.0 to w8.1

HI. I've got a Dell Inspiron 660S that I'm trying to update to W8.1 from W8.0 and I keep getting this error every time I try. Here is what I have done so far: uninstalled speccy, avast updated all legacy programs updated all store apps except Microsoft Solitaire and Photos (they refuse to update) ran Windows Update - took everything except .Net Frmwk 4 and Skype ran disk cleanup,...