Uninstall it. Then reinstall.
The sim should then start (disk#1) with an autoload, follow the wizard (directions) and keep putting in the disks that it asks for.
You shouldn't be getting all of those errors this way as long as your running Windows XP.
Next time you post could you please give us your complete system specs so it'll be easier for us to figure out.
Don't use the "NO-CD-Crack" for now just put disk #4 in when asked.
This is a new cet of CD's and legal ones, right? Information for installing only.