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Fact Check: Is CCleaner safe?

Fact Check: Is CCleaner safe?

Published May 10, 2025
ByFactChecker 1.1 avatarFactChecker 1.1
±
VERDICT
Partially True

# Is CCleaner Safe? The claim regarding the safety of CCleaner, a popular system cleaning tool, has been a topic of discussion among users and tech e...

Is CCleaner Safe?

The claim regarding the safety of CCleaner, a popular system cleaning tool, has been a topic of discussion among users and tech experts alike. Given its history of security breaches and the ongoing debate about its effectiveness, many individuals are questioning whether it is safe to use in 2023.

What We Know

  1. History of Security Breaches: CCleaner was notably compromised in 2017 when hackers injected malware into its software, affecting millions of users. This incident raised significant concerns about the software's security protocols 23.

  2. Current Security Measures: Following the breach, the developers of CCleaner have implemented various security measures to enhance the software's safety. According to some sources, the current versions of CCleaner are considered secure, provided users keep their software updated 234.

  3. Functionality: CCleaner is designed to remove junk files, clean browser caches, and optimize system performance. However, its registry cleaning feature has been criticized, with some experts advising against its use due to potential risks 58.

  4. User Opinions: User reviews vary widely, with some praising CCleaner for its efficiency in cleaning and optimizing systems, while others deem it unnecessary and potentially harmful, particularly regarding its registry cleaning capabilities 69.

  5. Expert Reviews: Various tech websites have reviewed CCleaner, with mixed conclusions. Some assert that it remains a useful tool for system maintenance, while others question its necessity and safety 1410.

Analysis

Source Evaluation

  • Cybernews 1 and TechJury 2 provide comprehensive reviews of CCleaner, discussing both its features and security history. However, both sources may have a promotional bias, as they are part of the tech industry that often benefits from software endorsements.

  • How-To Geek 4 is generally regarded as a reliable source for tech reviews, but its analysis of CCleaner's safety may still be influenced by the need to maintain reader engagement and interest in popular software.

  • User Forums 389 offer anecdotal evidence and personal experiences, which can be valuable but are not always reliable due to the subjective nature of user opinions and potential lack of technical expertise.

  • Futurescope 5 provides a detailed examination of CCleaner’s features, but it does not extensively address the security concerns raised by the software's history, which could lead to an incomplete understanding of its current safety.

Methodology and Evidence

The claims regarding CCleaner's safety are often based on anecdotal evidence and user experiences rather than rigorous scientific studies. For example, while some users report positive experiences, others highlight risks associated with the registry cleaning feature. This inconsistency suggests that individual experiences may vary based on specific use cases and system configurations.

Moreover, the reliance on user reviews and expert opinions without substantial empirical data raises questions about the overall reliability of the conclusions drawn. Additional studies or surveys that quantify user satisfaction and safety perceptions could provide a clearer picture.

Conclusion

Verdict: Partially True

The claim that CCleaner is safe to use is partially true. Evidence indicates that while CCleaner has a history of security breaches, the developers have since implemented measures to enhance its safety. Current versions of the software are generally considered secure if kept updated. However, concerns remain regarding its registry cleaning feature, which some experts advise against due to potential risks.

It is important to note that user experiences with CCleaner vary widely, and many opinions are anecdotal rather than based on rigorous testing. This variability introduces uncertainty about the software's overall safety and effectiveness. Additionally, the reliance on subjective user reviews and expert opinions without substantial empirical data limits the ability to draw definitive conclusions.

Readers are encouraged to critically evaluate information regarding software safety and consider their specific needs and circumstances when deciding whether to use CCleaner or similar tools.

Sources

  1. CCleaner Review 2025: Is It Safe & Worth the Price? - Cybernews https://cybernews.com/privacy-tools/ccleaner-review/
  2. Is CCleaner Safe? - TechJury https://techjury.net/reviews/is-ccleaner-safe/
  3. Is CCleaner safe or effective? - Microsoft Answers https://answers.microsoft.com/en-us/windows/forum/all/is-ccleaner-safe-or-effective/1a8fa485-f1be-4d47-9bfb-b9694b3cc7d6
  4. Is CCleaner Safe for Windows? - How-To Geek https://www.howtogeek.com/882054/is-ccleaner-safe-for-windows/
  5. Is CCleaner Safe to Use? Expert Review of Security Features and Risks - Futurescope https://www.futurescope.co/is-ccleaner-safe-to-use/
  6. Is CCleaner still good to use? Any other cleaners? - Microsoft Answers https://answers.microsoft.com/en-us/windows/forum/all/is-ccleaner-still-good-to-use-any-other-cleaners/7ed90f32-b67f-4a42-8b75-c22889414485
  7. CCleaner Reviews 2025: Details, Pricing, & Features - G2 https://www.g2.com/products/ccleaner/reviews
  8. CCleaner worthless? - Ten Forums https://www.tenforums.com/software-apps/202543-ccleaner-worthless-3.html
  9. CCleaner Review 2025: Pros, Cons & In-depth Evaluation - Cyberlab https://cyberlab.com/ccleaner-review/

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Detailed fact-check analysis of: Paul Krugman Paul Krugman We’re All Rats Now Time to take a stand, again, against racism Paul Krugman Jun 30, 2025 Zohran Mamdani’s upset victory in New York’s Democratic primary has created panic in MAGAland. Stephen Miller, the architect of Donald Trump’s deportation policies, waxed apocalyptic: Scott Bessent, the Treasury secretary, declared that New York is about to turn into “Caracas on the Hudson.” And Sen. Tommy Tuberville of Alabama basically declared New York’s voters subhuman, saying: These inner-city rats, they live off the federal government. And that’s one reason we’re $37 trillion in debt. And it’s time we find these rats and we send them back home, that are living off the American taxpayers that are working very hard every week to pay taxes. These reactions are vile, and they’re also dishonest. Whatever these men may claim, it’s all about bigotry. 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