Picture posting is enabled for all :)
The hint is in the description!Yellow (roots) in colour. You see the fibrous roots also.I'll place my bets on NETTLE!
I'm sure you all know a lot more about these things than I do but to me it looks like ground elder - the one thing I am an expert on!
Actually whichever weed it is I would get rid of every bit you see because we're all pretty certain it's one of the really nasty ones!
Mc55...Try and get a pic similar to the one shown here for comparison.