Error 1603. Photoshop CS4

Alright, so I recently got Photoshop CS4, for some odd reason when I had to do a system restore, it messed up. Not sure why, but I got the screen to accept or decline the user end license agreement, when I clicked to accept it, it just went away and nothing happened. So I uninstalled it, and tried reinstalling it, now every time I try, it gets right to the end, where it’s installing Adobe Bridge CS4 and it comes up with an error saying it had problems installing photoshop CS4 and then asks me if I want to continue with the installation, I click continue, and it finishes, but I get an error message at the end again. When I click more information I get this:

Adobe Photoshop CS4

Error:

Error 1603. Fatal error during installation.

Adobe Photoshop CS4

Error:

Error 1603. Fatal error during installation.

Adobe Bridge CS4

Error:

Error 1603. Fatal error during installation.

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Adobe Device Central CS4

Error:

Error 1603. Fatal error during installation.

I’m not sure why I’m getting this error, please tell me someone knows what the hell is going on here? Lol. Because people are going to ask here are my specs:

Model: HP Pavilion dv6700 Notebook PC

OS: Windows Vista

RAM: 2g

Free HD space: 170g

Complete HD space: 250g

Processor: AMD Turion(tm) 64 X2 Mobile Technology TL-60 (2 CPUs), ~2.0GHz

BIOS: PhoenixBIOS 4.0 Release 6.1 (you probably won’t need this, lol)

Graphics: NVIDIA GeForce 7150M / nForce 630M

All help is EXTREMELY appreciated. Thanks in advance.