Hi Belinda.
Thanks for posting on the forum.
With regard to your error message, this appears to be a Windows error message. This appears when you do not necessarily have access to install. or to install to a certain location on your computer.
Please could you ensure that you are logged in with full administrative access and install to a local drive such as your "C" drive?
Please let me know if you are still experiencing any issues,
If you would like to contact us directly regarding this issue, please quote your reference number which we have created to assist with this which is 00418922.
Thanks
Adam
Promethean Technical Support