Yes, Please reinstall via the direction below.
-Uninstall Logbook Pro from the Windows Control Panel Add/Remove programs area (Programs & Features if using Vista)
-Reboot
-Rename C:\Program Files\Logbook Pro to C:\Program Files\Logbook Pro-OLD (If the C:\Program Files folder exists)
-Reinstall after downloading from the URL below
http://download.logbookpro.com/lbproNoMSI.exe
Note: Data and Registrations are unaffected by uninstall/reinstall procedures.