Recently i found bad behaviour of winamp with "Vortex AY or YM Chip Emulator" -
http://www.winamp.com/plugin/vortex-...emulator/50355. Crash envolved both versions of plugin - 3.0 and 4.0 beta.
Workaround: Erase 2 files in setting directory before startup:
1. "c:\Documents and Settings\<USERNAME>\Application Data\Winamp v5.581\Winamp.m3u"
2. "c:\Documents and Settings\<USERNAME>\Application Data\Winamp v5.581\Winamp.m3u8"
Actually, i didn't test it very much, so don't know which one vtx file in playlist envolve a crash.