Can not install successfully a component on the backend of Joomla 3.3

If you can't do a successful installation on Joomla 3.3 this can be caused by a third-party extension

If you have mijoshop installed this can be caused problems with the installation of new components in your joomla.

If you have mijoshop installed and upgraded it from 2 to 3, Then it does not allow to create a component in the backend proper.