What if itunes doesn't fit? Failed to install itunes? itunes installation is not the solution

The error prompts are as follows

method Two , if it is a permission problem, the above method has no solution

1. We check our account is not authorized to install software (WIN7/WIN8 system to pay special attention) if not we switch to super admin to install

method Three , has been installed before now can not install

1. We open the start run, enter regedit, click Confirm Open Registry Editor, and then open in turn: Heky-local-machine--software-microsoft-windows-currentversion-uninstall, the file name in the Unistall directory that relates to itunes and its associated programs, All right key to delete, then reboot