System Maintenance Service 1.18 is the software, categorized by the security experts as a potentially unwanted program or PUP. The programs of such sort are usually installed into PCs together with various no-cost programs. If users flippantly click the button “next” or ‘agree” without reading what they accept to install in consequences they seriously regret about it. Such careless approach usually ends up with the annoying computer infections like System Maintenance Service 1.18. In order to get rid of this absolutely undesired tool you need to scan your system with the reputable antivirus software, or follow the manual removal instructions set forth below.