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User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20050922 CentOS/1.7.12-1.4.1.centos4

Description of problem:
Deselecting a package after clicking "Select All Packages" disables the Forward button.

Version-Release number of selected component (if applicable):
up2date-4.4.50-4

How reproducible:
Always

Steps to Reproduce:
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


Actual Results:  Forward button is now disabled

Expected Results:  Forward button should stay enabled

Additional info:

Selecting a package will reenable the forward button. A workaround is to deslect a second package, and then reselect that second package. The first package remains delsected and the forward button is now enabled.

This may be related to Bug 171132