CCleaner is the most popular system cleanup tool ever. Millions of computers are using CCleaner to delete data junk or clean up the registry. For a long time, Microsoft has been opposed to system cleaning software. Windows Defender, the built-in security software of Windows10, recently started to clean up software pop-up warnings for some free systems.
There has been controversy over whether the operating system needs to be cleaned up. Although topics such as registry cleaning and defragmentation are not as popular as they were 20 years ago (such as our Super Rabbit back then), there are still many Windows users who like to clean their systems regularly. The free CCleaner of
has been ranked first in the system cleanup software in recent years, which can help users easily delete unnecessary data and speed up system startup.
However, there has been a problem recently: Windows Defender (in recent years with bundled installation, it has become the virus protection software with the highest market share) suddenly began to block system cleaning programs such as CCleaner. Therefore, when downloading the free version of CCleaner and the 14-day trial of the Professional version, a warning may pop up.
Windows Defender classifies CCleaner installation files as potentially harmful applications (PUA). This is not only because Microsoft hates cleanup tools, but also because the software bundled with the cleanup tool CCleaner does affect the system. The bundled software includes Avast Free Antivirus, Google Chrome, Google Toolbar or AVG Antivirus Free. The reputation of these bundled software is not as bad as that of cheetahs. It does not pose a threat to the system. You can cancel the selection by unchecking the box. After all, free software manufacturers also have to pay for advertising. Avast, the manufacturer of
CCleaner, said they are in talks with Microsoft to resolve this issue as soon as possible. At present, in addition to CCleaner, other tools and tools provided by its partners are also classified as potentially harmful applications (PUA).
Of course, you can find and choose to download the lite installer of CCleaner.
