I´m also on 11.0.6001.8015 right now.
With the latest
drmdbg i´m able to extract keys (with WMP11) from my
Napster WMAs, but when i try to remove the DRM with "decryptIT" or
freeme2 i only get "strange noise".
When trying to downgrade to WMP10 my WinXP seems to keep 11.0.6001.8015 and drmdbg crashes when trying to extract the Keys. any solutions for me?