1. Digite / var / lib / dpkg / info
cd /var/lib/dpkg/info
2. Exclua todas as entradas relacionadas a crossplatformui
sudo rm crossplatformui.*
3.Force remover crossplatformui
sudo dpkg --remove --force-remove-reinstreq crossplatformui
4.Display seria:
(Reading database ...
dpkg: warning: files list file for package 'crossplatformui' missing, assuming package has no files currently installed.
(Reading database ... 159448 files and directories currently installed.)
Removing crossplatformui ...