Volvo Vocom PPT 2.03 blue screen error (fixed)

Volvo 88890300 Vocom interface with Tech Tool PPT 2.03 blue screen error solution is provided.
Problem:
When install Volvo Vocom  PTT 2.03 software on Windows 7 laptop (not yet activated),  he followed the installation instructions and restarted the computer, but the laptop suddenly turned blue screen and displayed “A COMPONENT NEED IS UNASSAILABLE”. Got the computer checked and it was OK, tried to re-install PTT software, still the same problem.
Solution:
Make sure set the laptop/computer to ACHI mode before running PTT 2.03 software on Win 7
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