There are several ways to stop recording on the Dubb Chrome Extension.
- Hit the Dubb Chrome Extension icon in your Chrome Browser

2. Hit the native STOP button in Chrome

3. For PC: Tap ALT + C to cancel and discard the recording. Tap Alt + U to upload the recording
For Mac: Tap Option + U to upload the video to your Dubb account Tap Option + C to cancel and discard the recording
Here is a video with full instructions
[embed]http://www.youtube.com/watch?v=RU7C1Ha0WaE&feature=emb_logo[/embed]