Remove PERSONAL.XLSK

In my Laptop installed version of Ms-office 2007, every opening of Ms-excel,
once "PERSONAL.XLS" also opening with excel file. please help me how to
deactivate my normal excel file..

1) Open excel 2) Hit alt-F11

1) Open excel
2) Hit alt-F11 to get to the VBE
3) Hit ctrl-g to see the immediate window and type this:
4) ?Application.StartupPath
5) Press enter

This will return the file path to your startup files .. This is where you will find Personal.xlsb

Navigate to said location and delete the Personal file.