Red print is hard to read, try black in your responses, thanks.
How old is the disk?
What errors are you getting, if any?
What are your computer;s details..CPU size, speed and memory (RAM) size and remaining space on the hard drive?
What is your operating system and service pack and what version of Internet Explorer is installed, whether or not you use it.
What security software did you have previously and did you completely remove it first?
Adding to Peter's questions, it would be great if you attach a screen shot of the Error. Thanks,