Hi folks, I'm using an Excel sheet to track a bunch of markets using IB Excel Adaptor (http://www.cyberxpert.com/downloads.html). It seems like at around 1 pm CT, Excel shuts down completely without saving any changes I made to the spreadsheet. IB continues to run. I actually upgraded Excel 2003 to 2007 and it did the same. So reverted back to 2003 for the lower overhead. Any idea why this would happen? The shutdown happens almost as if a Kill Process command is issued. There is no warning or error.