What to do when rpm verification fails

[T. Horsnell]

>T. Horsnell wrote:
>> 1. I seem to have some duplicate package names (this is on an x86_64
>>    system which has only been 'up2date'ed once immediately after
>>    installation) e.g:
>> 
>> [root at ls1 ~]$ rpm -q tcp_wrappers
>> tcp_wrappers-7.6-37.2
>> tcp_wrappers-7.6-37.2
>
>You may have both x86_64 and i386 versions installed.
>
>Try:
>
>$ rpm -q --qf '%{NAME}-%{VERSION}-%{RELEASE}.%{ARCH}\n' tcp_wrappers

Aha. I do indeed have both i386 and x86_64 versions installed for the ones
which rpm -V is complaining about. But why does this confuse rpm? 
Can I tell it to only do one sort? Would this make any difference?

Cheers,
Terry