Create a separate profile or close _all_ open Chrome windows first. "c:\path\to\chrome\dir\chrome" --user-data-dir="c:\path\to\chrome\dir\User Data/test" --r

Create a separate profile or close _all_ open Chrome windows first. "c:\path\to\chrome\dir\chrome" --user-data-dir="c:\path\to\chrome\dir\User Data/test" --record-mode