Specifying an alternate config file on the command line as any of the following results in an immediate dialog box saying, "Failed to execute script tagger":

picard.exe --config-file C:\Users\bob\AppData\Roaming\MusicBrainz\PicardTest.ini

picard.exe --config-file=C:\Users\bob\AppData\Roaming\MusicBrainz\PicardTest.ini

picard.exe --config-file "C:\Users\bob\AppData\Roaming\MusicBrainz\PicardTest.ini"

picard.exe --config-file="C:\Users\bob\AppData\Roaming\MusicBrainz\PicardTest.ini"

picard.exe -c C:\Users\bob\AppData\Roaming\MusicBrainz\PicardTest.ini

picard.exe -c=C:\Users\bob\AppData\Roaming\MusicBrainz\PicardTest.ini

picard.exe -c "C:\Users\bob\AppData\Roaming\MusicBrainz\PicardTest.ini"

picard.exe -c="C:\Users\bob\AppData\Roaming\MusicBrainz\PicardTest.ini"

Specifying an alternate config file on the command line as any of the following results in Picard starting with the default configuration settings and not those specified in the INI file:

picard.exe -c r"C:\Users\bob\AppData\Roaming\MusicBrainz\PicardTest.ini"

picard.exe -c=r"C:\Users\bob\AppData\Roaming\MusicBrainz\PicardTest.ini"

picard.exe --config-file r"C:\Users\bob\AppData\Roaming\MusicBrainz\PicardTest.ini"

picard.exe --config-file=r"C:\Users\bob\AppData\Roaming\MusicBrainz\PicardTest.ini"