We are going to need a lot more information from you to find out what’s going on.
- What are your computer specifications?
- What Operating System are you using?
- What version number of Shotcut are you using?
- Did you set a Video Mode? Or are you just using “Automatic”?
- What are the properties of your source file? Click on Properties, then click your source file. Please share what that screen/panel looks like.
Here is an example.
