not able to install SW2007 SP 2.2



In the middle of installing SW2007 SP2.2 it requested to insertoriginal 2007 CDs I inserted Disk 1,2 and 3 after that I insertedCD number 4 , half way through I got this error message [ Error1311 . source not found. E:\SWW:\Data\TB3.cab verifies that thefile exists and that you can access it]. I search my hard drive and2007 CDs I couldn't find the file. Please help

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