You have to check that whether all the features available into the MCU10.1 Update package has been installed or not.
For this, open the Install dialog box by selecting Help > Install New Software from the IDE menu bar. When you check the Group items by category and Hide items that are already installed checkboxes, the All Items are installed message (refer to the image listed below) appears under the CW MCU v10.1 Update category.
If this is not the case, you have to install all the other features that are appearing in the list.
