Hi ManSinha,
Please check the KB: Update, patch | Acrobat, Reader 7.x - 9.x | Windows
Acrobat 9 patches have to be installed in the following order 9.0.0 > 9.1.0 > 9.1.2 > 9.2.0 > 9.3.0 > 9.3.2 > 9.3.3 > 9.4.0 > 9.4.2 > 9.4.5 > 9.4.6 > 9.5.0 > 9.5.1 > 9.5.2 > 9.5.3 > 9.5.5
Regards,
Rave