Computer users that believe in JetClean claims and run the application on their machines will receive a report of numerous, serious problems detected by this fake optimizer. Then, JetClean will claim that, to solve the problems that are affecting your machine, you need to purchase its full version, which with 'One-click Clean and Tuneup,' besides being a 'Fast and Powerful Windows Clean,' 'Light, Easy-to-use, and Reliable,' 'Improves PC Performance,' and other useful features. Although JetClean can detect and remove outdated and unnecessary entries from your computer, JetClean may, during their removal process, delete useful and necessary entries, which, instead of helping your machine, will create issues that can prejudice it. Affected computer users have reported that JetClean makes their machines to slow down by using their system resources and displays lots of advertisements that can impair their work. If you downloaded and installed JetClean on your machine or if it appeared due to a bundle, you need to know that JetClean is considered a Possibly Unwanted Program (PUP) by malware experts and is best to be removed. JetClean can be removed manually or with a dedicated malware removal tool.