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i imported my private keys from Electrum and deleted all the files. when i reopened the bitcoin client all of my addresses are gone. the client is 49 weeks behind on the blockchain. could this be the reason my addresses don't display(since they were created long after the block chain record my client has so far?)[...]
No, if it's in your wallet, it should appear under the "receive" tab.
also, one more detail if i try to reimport the private keys again it says couldnot import private key error code 4
according to bitcoin.it wiki, error code 4 is insufficient funds. you can always create a new wallet and try importing the keys again.