Try this:
"C:\Program Files\Adobe\Adobe Bridge 2021\Bridge.exe" {sourcepath|noterm}
Edit: Added noterm
as Bridge.exe seems confused if the path ends in a backslash.
Try this:
"C:\Program Files\Adobe\Adobe Bridge 2021\Bridge.exe" {sourcepath|noterm}
Edit: Added noterm
as Bridge.exe seems confused if the path ends in a backslash.