How do i stop a program from automatically installing?

the program is Corel photoshop X or somthing. it was a program that came with my laptop that i deleted cuz i dont use it. now whenever i start up my laptop, it opens the windows installer and tries to install it again. what do i do to kill it forever?

hehh...nvm...problem solved...

You could try the Windows Installer CleanUp Utility

http://support.microsoft.com/kb/290301


If that doesn't work go to start Run...

msconfig | Startup

Look for Corel items and uncheck them here.

On reboot you will be told you are in a diagnostic mode. Just click the box that says "Don't show me this again".