I completely agree with the previous review, we recently bought a time buzzer system and while it works ok manually, the software is horrible to try to install, requiring the creation of user groups, administrator permissions, uninstalling drivers that the disc automatically installs and having to get updated drivers from the website from a brand new system - ridiculous. Plus every time i contact them for support they just say it isnt their problem its the computer, yet ive tried it on 4 different computers and i get the same error, returning the product, good riddance read more