well you could try under tools menu wallet repair option to rescan blockchain files, if it really did not send due to bad address it should scan back... also check under transactions and check the transaction ID on insight.dash.org to see if the network see's itI was going to transfer to www.livingroomofsatoshi.com to make a bill payment. The address it requested was something like this: XvKptLJTRP9m6Xx6LYdbLWnT3HWdaKpW3j