My Screen Recorder Pro provides a screen splitting tool.

The screen splitting tool is designed to help you remove unwanted segments from your recording. Select the file and click on 'Trim File' icon on the toolbar to trim segments from screen recording. In the trim file wizard, you can preview the video that has to be trim, use the marker to select the start and end frame of each split. For the output format, select a video formats such as WMV, AVI, MP4, or WebM.

If you have recordings made in different sessions, you may also want to learn about joining screen recordings.