Historically, some users have noted that the installer may include optional third-party apps or "PUPs" (Potentially Unwanted Programs). It is important to select "custom installation" to opt-out of these.
Based on user reviews from platforms like G2 and SourceForge :
It includes a default restore point creation feature, allowing you to roll back changes if any issues arise.
Some users would prefer more detailed descriptions of the specific registry keys being modified during the optimization process. Expert Verdict
Users and experts report noticeable improvements in application response times and system stability, especially on older machines.