Microsoft Office Home and student 2007 question???

I am tryong to install Microsoft Office Home and student 2007 but i get this pop up:

Error1311. source File not found: E:\OfficeLR.cab\SKU112.Cab.

Verify that the file exists and that you can access it.

I dont know what file that is %26 i dont know how to get it or if i deleted it

Microsoft Office Home and student 2007 question???antivirus protection

Since it indicates the E:\ drive, it appears that it is looking for the installation disk. Insert the disk and try again.