Adobe Photoshop CS4 installation error

Hello
I am using windows 7 64 bit OS with a dual core3.0 processor.
Yesterday when I tried to install the adobe Photoshop CS4, I got an error and the installation failed.
The screenshot of the error is as follows:

The error says:
Adobe Photoshop CS4 Installer – Installation Error
Installation Error
Installation of the following components has failed
Adobe Bridge CS4
Adobe Photoshop CS4 (64bit)
Adobe Photoshop CS4
To continue installing the remaining options, click Continue, To cancel this installation, click Quit.
Any suggestions in this regard will me most welcome. Looking forward to your suggestions.
Kindest regards.
