I don't see why not. Winamp just enumerates the available plug-ins and skins when it starts up. Just be sure to either restore the directories before reinstalling or make sure not to overwrite the ...

Winamp supports a wide variety of contemporary and specialized music file formats, including MIDI, MOD, MPEG-1 audio layers 1 and 2, AAC, M4A, FLAC, WAV, OGG Vorbis, and Windows Media Audio. Nullsoft ...