I just now downloaded trunk and tried using the included jbosssvc.exe on my Vista 64-bit box and got a C0000005 access violation error. This error does not appear if I use the jbosssvc.exe from the 64-bit Windows JBoss Native download. Perhaps provide both jbosssvc.exe and jbosssvc64.exe, and update the service.bat script to detect which is required and use the right one. You can key off of the PROCESSOR_ARCHITECTURE env var, it is set to "x86" when running 32-bit Windows and "AMD64" for 64-bit Windows. (Note that I have an Intel Core 2 Quad processor - thus "AMD64" does not really identify the exact processor type, but rather simply means "running a 64-bit OS".) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4187474#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...