Step 1 See if blockchain redownload is needed.
   Help > Debug Window > Console. In the console type "getblock ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeeee"
   If return is Block not found (code -5) there is no need to re-download the chain proceed to step 5
      1a otherwise backup privatekeys type "dumpprivkey " and copy down the output some place safe as this is how you will get your coins back.
      1b repeat 1a for each receiving address