Locking this as you already have two threads in Technical Support regarding this issue, and I have given you instruction on what to do there: http://dkn255hz262ypmii.onion/index.php?topic=160540.msg1136234#msg1136234 http://dkn255hz262ypmii.onion/index.php?topic=160040.msg1130705#msg1130705 The first link will solve your problem. And yes, Bitcoin addresses ARE case-sensitive. If you type the wrong address, your funds will be sent elsewhere. Please copy and paste Bitcoin addresses to ensure that it is always correct. Taken from the Bitcoin wiki: Libertas