SmartFix Tool is a free software that allows you to fix possible system problems. It can even automatically remove various pests that could not be detected by your system's antivirus.
It is also possible to integrate it into the Windows recovery system through the option Perform SmartFix integration into the System Recovery Enviorment. In this way, the software will be able to act at system startup. To enter this mode just press the F8 key during boot.
It is a portable tool, that is, it does not need to be installed. Its use is very simple and straightforward, any user, regardless of level, will be able to use it without any difficulty.