For NTFS: Insert and boot from your Windows XP CD.
At the first R=Repair option, press the R key Press the number that corresponds to the correct location for the installation of Windows you want to repair. Typically this will be #1 Enter in the administrator password when requested
Enter in the following commands (X: is replaced by the actual drive letter that is assigned to the CD ROM drive) COPY X:\i386\hal.dll C\: COPY X:\i386\hal.dll
Next type C:\
Take out the CD ROM and type exit