*** Bug 171145 has been marked as a duplicate of this bug. ***
this should be fixed in up2date-4.4.51
Test plan (from 171145):
1. Launch up2date
2. Enter root password
3. Welcome screen appears. Click "Forward"
4. Channels screen appears. Click "Forward"
5. Available Package Updates screen appears. Click "Select All Packages"
6. Click the checkbox next to a package to deselect it
verified with up2date-4.4.55-4 on i386, ia64, and x86_64
*** Bug 166034 has been marked as a duplicate of this bug. ***
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.