Anti-virus software for Apple computers was found to not be updating itself. MacKeeper, owned by Kromtech Alliance Corp. of Germany, has long been criticized for its marketing techniques. AV-Test says it was told MacKeper had problems receiving updates for three months. The lack of notification to customers of a product fault smacks of irresponsibility, says AV-Tester Simon Edwards, founder of the security software tester SE Labs in London, says a week was quite a long time in the world of anti-malware updates.”]
Source: https://www.inforisktoday.com/blogs/mackeeper-hid-product-update-error-p-2189