@CrazyMiner having no experience with those errors i would check two things, there is a send transaction to establish a public key for the account and that the filenames on the plot files start with the numeric id for the account. check the account on the blockchain explorer for the transactions and it will provide the numeric id (if there is any transactions for the account). i hope this helps.
@CrazyMiner Green box with the balance, click "more info", should pop up window with info and "numeric account id" will be second thing listed. is that what you are looking for?
@FattySnorlax Unless you're using Blago, the capacity is a guess-timate. Even with Blago's miner, if you're using more than one PC, it'll only show the capacity of one of the PC's.