I created a video with premiere elements trial. it has a water mark on it. now i buy the full version and entered the code. but the water mark ist still there. not the whole lenght of the video but sometimes for a few minutes. how can i remove it? i already rebooted and reloaded the project.problems
If you are on Windows, then, try with below mentioned steps :
1. Open your project in PRE
2. Click on Timeline menu located at the top bar
3. Click on Delete Rendered files for all projects.
It will remove the watermarks present on your timeline but make sure you are not using any file which you have exported from Premiere Elements as watermark on the exported files cannot be removed.
Hope it fix your issue.