Fedora-12 yum update dependency problems

[Konstantin Svist]

  On 09/15/2010 03:03 AM, Michael Schwendt wrote:
> On Tue, 14 Sep 2010 22:04:19 -0700, Konstantin wrote:
>> Most likely while updating tigervnc, yum didn't get to cleanup stage
>> (failed, computer rebooted, etc) so the old version is marked as installed.
>> You can clean it by running "yum remove tigervnc-server*" then "yum
>> install tigervnc-server".
> Take a look at the  yum-complete-transaction  command as well as the
> package-cleanup --cleandupes  command from yum-utils. There are more
> helper features provided by package-cleanup.

Actually, running yum-complete-transaction crippled my system when I ran 
it after running into this problem.
It "cleaned up" by uninstalling a boatload of "duplicate" packages - but 
really it uninstalled those packages clean out. I guess it may work okay 
on non-critical packages...