Here is a tutorial I wrote for you people having issues with blockchain.info:
The Problem
Blockchain.info is a popular online bitcoin wallet provider. It’s name often confuses new bitcoiners into believing that blockchain.info is the blockchain ledger. As an online wallet service provider the company must keep a database of their customer’s wallet identifiers and hashed passwords along with wallet balances. Recently blockchain.info went down for maintenance for about 14 hours on October 26th.
Due to the recent DDOS attempts on the bitcoin network it seems that the wallet balances in the database might have fallen out of sync with the actual wallet balances on the bitcoin network. As a result users are getting the following errors when trying to send bitcoins from their wallets:
Non-canonical signature: High S Value
An outpoint is already spent in [xxxxxxxxxx]
Prev out is already spent DBOutput
Read More:
http://themerkle.com/tutorials/how-to-recover-your-bitcoins-from-blockchain-info-using-electrum/tl;dr the solution to your blockchain.info problems is to sweep the private keys into any other wallet using the electrum client.
