The United States is in the midst of an illicit fentanyl crisis that is multi-faceted and deadly. Fentanyl is a Schedule II synthetic opioid, used medically for severe pain relief in patients that are already opioid tolerant, and it is 50-100 times more potent than morphine. For reference, as little as two milligrams of pure fentanyl can be fatal.
GrooveMonitor.exe is a service that gets installed when you install Microsoft Office 2007 and belongs to GrooveMonitor utility. This means it tracks Microsoft Groove behavior and creates error reports which are sent back to the Microsoft.
Utorrent is a program used for interacting with torrents. Utorrent will essentially take a torrent file, which you can find from many places online, and download whatever the contents may be. Say you get a torrent for your favorite CD, it downloads the CD onto your computer.