import data from access 2007 database to sql 2012 express

hi all,

I'm trying to importing access 2007 database into sql epress 2012. i receive following error. please somebody help me to solve this.
Thank you.

TITLE: SQL Server Import and Export Wizard ------------------------------
The operation could not be completed.
------------------------------ ADDITIONAL INFORMATION:
Cannot start your application. The workgroup information file is missing or opened exclusively by another user. (Microsoft JET Database Engine)
------------------------------ BUTTONS:
OK ------------------------------
val_wick
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