Others say users must uninstall IE5 and reinstall it to purge the custom elements.

CNN: The road to IE5 isn't without bumps

When I used the Razer firmware updater for the Razer DeathStalker Ultimate, the keyboard stopped working, and I was forced to reinstall the Synapse 2.0 software to make it work again.

FORBES: Macroing With The Razer DeathStalker Ultimate in Eve