Description of problem:
when I install/updated program with kpackagekit he solved  dependency and when kpackagekit want download package he show this:

Errors were encountered while downloading packages.
fedora-bookmarks-11-1.noarch: Caching enabled but no local cache of /var/cache/yum/fedora/packages/fedora-bookmarks-11-1.noarch.rpm from fedora
firefox-3.5.2-2.fc11.x86_64: Caching enabled but no local cache of /var/cache/yum/updates/packages/firefox-3.5.2-2.fc11.x86_64.rpm from updates

yum works fine 

Version-Release number of selected component (if applicable):
glibc-2.10.1-5.x86_64
kpackagekit-0.4.2-0.fc11.x86_64
yum-3.2.23-3.fc11.noarch

How reproducible:
everytime

Steps to Reproduce:
1.try install/updated package
  
Actual results:
kpackage has problem with downloading package

Expected results:
kpackage works