Hi Megan,
Please can you make sure you are running the latest version of the following:
ActivInspire - 1.6.50464
ActivDriver - 5.7.23
ActivHub - 5.13
ActivExpression - 9.02
If you need any instructions on updating the firmware for the ActivHub or ActivExpression devices you can find all this on the Knowledge Base at www.prometheankb.com and search for the article 10421 - ActivExpression / 2.4GHz ActivHub - Firmware Update information.
Thanks,
Greg
Promethean Technical Support
#00212461