In order to uninstall powerPack:
Replace few files in your gallery ( get them from official imagevue package, consistent with your imagevue version):
- iv-includes/include/config.xml
- iv-includes/include/lang.xml
- iv-includes/include/theme.xml
- iv-admin/assets/js/imagevue.upload.js
- iv-admin/controllers/FileController.php
- iv-admin/controllers/IndexController.php
- iv-admin/templates/index.index.phtml
- iv-admin/templates/layout.phtml
Delete file:
- iv-includes/themes/[your theme]/extras_module.swf
Delete folder:
- extras
That's all