Use Sentinel Cleanup Utility
Uninstall NeuroExplorer and all the Sentinel software items listed in Control Panel | Uninstall a program.
Download Sentinel cleanup utility: ssdcleanup.zip.
Unzip and run the utility. Make sure you let the utility finish running. It may take several minutes.
Reboot the computer.
Install the latest version of NeuroExplorer: download and run NeuroExplorer5Setup64.exe.
Reboot the computer.