I faced an identical situation.
New version application has a bootstrapper to upgrade to a higher DotNet version. Older app crashed as it could not handle the upgrade of dotnet. I wrote an unmanaged program which stopped older application process and then launched the installer (with its bootstrapper). Umesh -- View this message in context: http://windows-installer-xml-wix-toolset.687559.n2.nabble.com/Running-a-custom-action-with-elevated-privileges-tp6041158p6056082.html Sent from the wix-users mailing list archive at Nabble.com. ------------------------------------------------------------------------------ Free Software Download: Index, Search & Analyze Logs and other IT data in Real-Time with Splunk. Collect, index and harness all the fast moving IT data generated by your applications, servers and devices whether physical, virtual or in the cloud. Deliver compliance at lower cost and gain new business insights. http://p.sf.net/sfu/splunk-dev2dev _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users