. . . . Your program is unstable in windows 10 . . . .
Please note this is a user to user forum not Magix Support, therefore it is not our program, everyone here are users like your self.
Video Sound Cleaning Lab (VSCL) works fine for me on Windows 10 2004, so to be able to help with the issue we need more information - please remember that we cannot see what is happening on your computer:
Computer specification and Windows version - see this topic for details of what is required.
Program version number.
What audio file format are you loading into VSCL.
A description of what you are doing that make VSCL crash eg are you using the program as a stand-alone, or launching it from another Magix program.