Hi Pmful, try the steps in this article:

Click here to be directed to the article 

For the MBR error, MBR means Master boot record, to fix it, you have to access the command prompt, there's two ways to do that. First one is inside of windows, type "cmd" in the start menu search box, when you see the cmd , right click on it and select the option that says "run it as administrator". Second one would be outside of windows using the Windows recovery DVD that came with the system, so you have to insert the CD, restart the system, hit F12 during post and boot from the DVD, choose the "Lenguage", "Time" and "Keyboard input" and click . Then, click on "Repair my computer"  option to gain access to the System Recovery window and after that choose "Command Prompt".

After you are in the command prompt, follow the steps in the following link to type the commands necessary to fix the master boot record:

http://support.microsoft.com/kb/927392

When i am in cmd started from the windows icon this commands arent working.

how exactly are you typing the commands?

I type in cmd :/FixMbr and nothing happens

When i get to attrib bcd -s -h -r and i type it it says  file not found -bcd