a sta se desava?
logicno - prvo stariji pa noviji a ako je obrnuto onda sacuvaj ntloader i ntdetect od novijeg pa ih posle vrati u root particije
objasnjenje :stari ntloader ne moze da podigne novi operativni sistem

Ukoliko si instalirao 2K, pa XP, ne bi trebalo da imaš problema sa dual-bootom. Ukoliko si instalirao XP, pa posle njega 2K, uradi sledeće:

Repairing the Windows XP Boot Loader
NOTE: Some users have reported that Step 1 is not necessary, but in testing I found that it was. Since the C: drive is FAT32, you can use a Windows 98/Me boot disk and skip Step 1, if you wish, but you may find that you need to do it anyway.
1. Boot your computer with the Windows XP CD. When prompted to Setup or Repair, choose Repair. In the Recovery Console, enter the following commands:
2. FIXBOOT, answer Yes
3. CD \
4. ATTRIB -H NTLDR
5. ATTRIB -S NTLDR
6. ATTRIB -R NTLDR
7. ATTRIB -H NTDETECT.COM
8. ATTRIB -S NTDETECT.COM
9. ATTRIB -R NTDETECT.COM
10. COPY X:\I386\NTLDR C:\
11. COPY X:\I386\NTDETECT.COM C:\
In the last two commands, X is the letter of your CD drive.

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