http://bugs.winehq.org/show_bug.cgi?id=23179
--- Comment #6 from Andrew Nguyen arethusa26@gmail.com 2010-06-15 01:40:56 --- (In reply to comment #5)
Sorry for wasting your time :) I didn't know native DLLs were so bad. I installed them to run other applications.
Thank you and sorry again
Note that it is possible to specify per-app DLL overrides in winecfg, and WINEPREFIX could also be used to achieve application isolation.