Excel 2013 opens blank grey screen along with original workbook

I am running Windows 7 Pro 64 bit and recently upgraded to Office 2013 Pro Plus (uninstalled Office Standard 2010 and then installed 2013).  When I open an excel document, the document opens but there is also a blank grey excel screen behind my document.  Please advise how I can get my Excel documents to open without the additional grey excel screen behind it.  Thanks.
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PLease open excel and navigate to below options

Go to options - Advanced - uncheck Ignore other applications that use Dynamic Data Exchange DDE
mmj1Author Commented:
It was already unchecked.
Can you send a screenshot (document with the extra grey excel sheet)?
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Try to repain excel
mmj1Author Commented:
I have attached a screen shot and resized my excel document (named Team Info) so you can see the blank screen behind it.
Do you open the Excel document with a single or double "click"?  I'm wondering if it might have something to do with opening the document twice..

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mmj1Author Commented:
Thank you all for your input.  I was able to correct my issue by reviewing the information in the link provided by tomfarrar.  I deleted the Personal.xlsb file (after making a backup) and exporting the two macros I had stored.  Once I recreated the Personal.xlsb file, I imported my modules back in and all seems to be working fine now.  Thanks for pointing me in the right direction.
Glad to help, and glad it worked!
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