Question about Wise Care 365 icon caching

In Wise Care 365, the common cleaner can clean up thumbnails cache and icon cache.

The thumbnail cache is cleared by default, and the icon cache is not cleared by default. It needs to be set to be cleaned up.

Usually, the thumbnail cache will be automatically regenerated after the system restarts. This may cause some trouble for users. If the user does not want to clear the thumbnail cache, it can be canceled by setting.

Methods as below.

Methods that PC Checkup does not clean up:

Menu-Settings-custom checkup-useless files, uncheck thumbnail cache;

Common Cleaner does not clean up methods:

system cleaner-common cleaner-files in the computer-windows system, uncheck thumbnail cache.