The conversion of the project was successful.

The new directory structure is as follows:

E:/TEXTBOOK/PSPICE AUG 19 2008/CHAPTER 2
    Example 2-13.opj
    example 2-13.dsn
    example 2-13.dbk
E:/TEXTBOOK/PSPICE AUG 19 2008/CHAPTER 2/Example 2-13-PSpiceFiles
    example 2-13.lib
    example 2-13.ind
E:/TEXTBOOK/PSPICE AUG 19 2008/CHAPTER 2/Example 2-13-PSpiceFiles/SCHEMATIC1
    SCHEMATIC1.net
    1.sim
    SCHEMATIC1.als
E:/TEXTBOOK/PSPICE AUG 19 2008/CHAPTER 2/Example 2-13-PSpiceFiles/SCHEMATIC1/1
    1.out
    1.prb
    1.mrk
    1.1op
    1.cir
    1.mif