For windows xp go to C:\Documents and Settings\%userprofile%\.android
and delete debug.keystore file, restart the eclipse and now your project get build without error.
Example path:
C:\Documents and Settings\raja.ap\.android\
For windows xp go to C:\Documents and Settings\%userprofile%\.android
and delete debug.keystore file, restart the eclipse and now your project get build without error.
Example path:
C:\Documents and Settings\raja.ap\.android\