ff gegoogled voor je,er staat hier tussen dat je met een andere windows cd je pc ook aan de praat krijgt en kan repareren 
er staat oa dat er iets ontbreekt of beschadigd is in je boot
succes 
The error message usually indicates that the boot sector is damaged or missing.
We can try to use the following methods to troubleshoot the issue. However, performing the following steps requires a Windows Vista installation disk. If you do not have a disk, please contact your computer manufacturer or Microsoft Customer Service or to obtain one.
Microsoft Customer Service: (800) 426-9400, available Monday through Friday, from 6:30 A.M. to 5:30 P.M. Pacific Time.
Note: Microsoft Customer Service mainly handles issues regarding replacement manuals, disks, drivers and service packs, product IDs, lost CD keys, product orders, policies related to copying software on additional computers, licensing, and product registration.
Method 1: Startup Repair from the Windows Recovery Environment (WinRE)
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1. Insert the Windows Vista installation disc into the disc drive, and then start the computer.
2. Press a key when the message indicating "Press any key to boot from CD or DVD …". appears.
3. Select a language, a time and currency, and a keyboard or input method, and then click Next.
4. Click Repair your computer.
5. In the System Recovery Options dialog box, choose the drive of your Windows installation and click Next.
6. At the System Recovery Options Dialog Box, click on Repair your computer.
7. Click the operating system that you want to repair, and then click Next.
8. In the System Recovery Options dialog box, click Startup Repair.
Method 2: Rebuild BCD
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1. Put the Windows Vista installation disc in the disc drive, and then start the computer.
2. Press a key when the message indicating "Press any key to boot from CD or DVD …". appears.
3. Select a language, a time, a currency, and a keyboard or another input method, and then click Next.
4. Click Repair your computer.
5. Click the operating system that you want to repair, and then click Next.
6. In the System Recovery Options dialog box, click Command Prompt.
7. Type Bootrec /RebuildBcd , and then press ENTER.
Method 3: Use the Windows Recovery Environment (WinRE) to run System Restore (If System Restore is enabled on your computer)
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1. Insert the Windows Vista installation disc into the disc drive, and then start the computer.
2. Press a key when the message indicating "Press any key to boot from CD or DVD …". appears.
3. Select a language, a time and currency, and a keyboard or input method, and then click Next.
4. Click Repair your computer.
5. In the System Recovery Options dialog box, choose the drive of your Windows installation and click Next
6. At the System Recovery Options Dialog Box, click on System Restore.
7. Follow the System Restore Wizard instruction as usual and choose the appropriate restore point.
8. Click Finish to restore the system.
What’s the result?
If it is inconvenient for your to obtain a Windows Vista disk, you may contact your computer manufacturer to restore the system to its factory settings. Before doing this, please back up your important files.
Hope it helps.
grtzz el.
:P