We had another user report exactly the same bug, but later reported that the bug magically fixed itself.
Also, I have not yet figured out what might have caused this.
Can you delete the folder ~/.config/unity-tweak-tool and try to open the application again? If the application crashes and a file debug.log is generated in ~/.config/unity-tweak-tool , please add it as an attachment to this bug report.
We had another user report exactly the same bug, but later reported that the bug magically fixed itself.
Also, I have not yet figured out what might have caused this.
Can you delete the folder ~/.config/ unity-tweak- tool and try to open the application again? If the application crashes and a file debug.log is generated in ~/.config/ unity-tweak- tool , please add it as an attachment to this bug report.