Corel Draw is not running!!!!!! Please HELP

Hello guys:

before I start my question: i am a german and 15 years old. My English is not the best...

 

Today i want to install Corel Draw X5 on my PC. I have Windows 8 and suddenly it comes this:

What can I do ? Please help me, i have a project in the next week, i used your help!

 

Thank you :)