If you are experiencing wii u USB helper access denied, it may be time to upgrade your Wii U to a newer version. Wii U USB Helper can be downloaded from the internet. Download the latest version from the Wii U website. To install the file, you will need a reliable internet connection and sufficient storage space. Once you have installed the file, it can be used to backup your Wii U game and manage your backups. These games can be played on your computer, and you can also transfer 3DS games.
There are two main causes of Wii U USB Helper access being denied: a bad USB connection or a corrupted computer. You can fix the problem by downloading the eShop again. Once you’ve done this, you should be able to install the Wii U USB helper. This is a free software that allows you to manage your Wii U games and backup content.