1. Propaganda means exaggerate its actual function: fever experts often exaggerate its actual function in propaganda, claiming that they can improve the running speed of computers several times and even turn old computers into brand-new computers. Although these publicity have attracted many users, it is actually difficult to achieve such an effect.
2. The price is more expensive than similar software: The price of fever master is more expensive than similar computer optimization software, for example, the annual subscription fee is as high as 199 yuan, which is far from its actual function and effect, making people feel that it is too expensive and not worth buying.
3. Misleading users: A fever master may mislead users in the use process, for example, by reminding users of the existing problems and making them think that they need to buy a paid version to solve them, or doing some unnecessary operations in the optimization process, resulting in unnecessary expenses and troubles for users.
4. Security issues: Fever masters need the user's permission to optimize the system and clean up junk files, which will pose risks to the privacy and security of users.