Hi Gayle,
If I understand you correctly, you're saying that your beginning balance showing in the reconcile window differs from the statement? If that if the case, you need to grab your prior statement and change the statement ending date and balance to those amounts (nevermind that it says that it's already been reconciled through that same date). Then when you click through to the next screen it will show only those transactions that were not cleared through the last months statement. If you review those, chances are you will find at least one transaction showing that is on the prior months statement. When you check off any of those your balance should right itself for the following month. I hope I've explained it correctly and that you understand. If not just write a response and I'll watch for it.
Thank you!