Hi! Are you using the trial version of Apowersoft Screen Recorder Pro? It’s true that the pro version of this screen recorder has 3 minutes’ recording limitation. And this limitation will be removed on the condition that you have activated the program with the license code. To purchase the license of this program, you can go to this webpage: http://www.apowersoft.com/store/order-screen-recorder.html
However, if you are using the Apowersoft Free Screen Recorder and find that it has 3 minutes’ recording limitation, you can delete this program, and download it again for this webpage:
http://download.cnet.com/Apowersoft-Free-Screen-Recorder/3000-13633_4-75959899.html
Also if you have other questions when using this screen recorder, you can contact with our support email: support@apowersoft.com, thus we can solve the problem you have met ASAP.