This sounds like a design problem, not a setup problem and *definitely* not a WiX problem... you will get a better answer by asking on stackoverflow.com or some other developer forum.
Some suggestions off the top of my head... - build a Merge Module that 3rd party apps can consume (and so can install to their own location) - COM server or some other means of interprocess communication meaning that the location doesn't matter - documented registry key indicating how to locate your DLL Sascha On Tue, Apr 20, 2010 at 8:04 AM, Bruce Cran <br...@cran.org.uk> wrote: > I've created an installer for a driver. It installs the driver itself, 32-bit > and 64-bit DLLs and import libraries. 3rd-party applications will link to the > DLL in order to use the driver. I know that I shouldn't install files to > system32, but if not there then where? If I install to Program Files then the > applications won't find the DLLs at runtime, forcing the users to either copy > them to system32, or to their own application directory. I've been unable to > find any Microsoft documentation recommending locations. > > -- > Bruce Cran > > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > _______________________________________________ > WiX-users mailing list > WiX-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wix-users > ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users