http://bugs.winehq.org/show_bug.cgi?id=24873
--- Comment #10 from Nikolay Sivov bunglehead@gmail.com 2010-10-25 03:14:31 CDT --- You could safely try. Rename your current .wine dir with your program that needs these dlls and try with a new .wine dir to install LTSPICE in it. Actually it's possible to use multiple .wine dirs if there's any application conflicts.