There is potential for another bug/edge case to be causing the consent checkbox to not be visible, and this is what I would like to continue to investigate with your assistance. We made change to guard against this root cause and released it in v5.39 (January 16th). This allowed us to reproduce the issue internally and resolve it. After gathering what information we could from our users on the CCleaner forums, we were able to identify a case where high system load could delay the offer from displaying immediately. We are monitoring a small number of edge cases where it seems the consent checkbox is not displaying correctly. However, the product manager did acknowledge that there were people who were experiencing problems: When will you realize that people you FORCE your product into like this are less likely going to buy your product, or do some good publicity about it All the contrary!'Ī product manager for CCleaner responded to the complaints by reiterating that the Avast installations are supposed to be completely optional and users should 'always see the consent screen' whenever they install CCleaner Free edition or Pro Trial. There was no check box on the setup page to opt out of installation!!!!! You guys should be ashamed to do this kind of business. 'It auto installed Avast without consent and no opt out. There was no option to opt out of avast installation.' ccleaner 5.43 installed avast without consent. Always use advanced install options too.' Did not notice any bundled offers, and I am always on the lookout for them. 'This happened to me today when updating CCleaner Free to v5.40. However, many users are saying that it's anything but opt-out.įrustrated users have complained on Avast's forums about the hidden installation: Normally, this is supposed to be opt-out with a checkbox at the bottom verifying that the user wants to include Avast in the CCleaner installation. Starting with version 5.37 of CCleaner, released this past August, Avast was bundled as an optional add-on.

Reports have been coming in that CCleaner will install the Avast anti-virus software without permission. We have confirmed those claims.Įver since Avast acquired Piriform, the maker of CCleaner, there has been a steady stream of disappointment from a user base that once totaled around 130 million people. Facepalm: Many users of popular system cleaning app, CCleaner, have complained that installing the software also installs the Avast anti-virus program without their permission.

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