Adware:Adware (or spyware) is a small program that is designed to show advertisements (in various form and degrees of intrusiveness) on your computer. It often reports personal information back to its owners. As a result your sense of privacy can be violated.
SemErros is a corrupt anti-spyware program. SemErros, originating from Brazil, may be brought to your computer with the help of various Trojans, and then be installed onto your computer without your authorization. After SemErros is installed, it will display notifications of exaggerated security and privacy violations, in order to lure you out of your money by insisting on buying the „full version???of the program. SemErros is also known to cause a system slowdown and its instability. SemErros is a fraud and should not be trusted. This parasite is also known to be extremely difficult to remove manually.
Technical details (How to remove SemErros(pop up))