Buttons that must be enabled after selecting any item, and disabled otherwise, do not change their state after selection when using v.1 skins.
Note: Installing this hotfix is only required for customers who upgraded to PBA 5.4.4 before July 27, 2012. Customers who upgraded after the stated date will have it installed automatically.
# cd /usr/local/bm/
# ./tools/pba-hotfixes.pl install
cd "C:\Program Files\Parallels\PBA"
perl\bin\perl.exe tools\pba-hotfixes.pl install