If it stopped working, reboot your PC and launch it again. If it doesn't work, you will need to reinstall the software. First, uninstall it using its uninstaller or Add or Remove Programs feature and run CCleaner or Glary Utilities. After that, you can visit Software Informer review page of the product in order to obtain a link to the the official download. Press the green Download button, save the file to your computer and install it again using the serial key received when you purchased it.
