ProductManualsFinder is a new nasty add-on for internet browsers. The developer of extension claims that it is a helpful app. But actually, the app is an unsafe software. It spreads bundled with adware. Thought ProductManualsFinder is not malicious virus, but it is able to cause various problems. Our security experts detect that it loads a plenty of unwanted features on your Chrome, FireFox, Internet Explorer or other web browser during the setup process. We recommend you to delete it fully.