https://community.hpe.com/t5/operating-system-microsoft/debug-in-developer-studio-on-xp/m-p/2842393#M2126 XP allows you to run programs in compatibility mode. Right click on the program and then properties. There will be a compatibility tab, check the compatibility to whatever your other OS was.<BR /><BR />6.6B is also available. You may want to update before you change the compatibility mode though. It???s located here:<BR /><A href="http://www.compaq.com/fortran/visual/update-66B.html" target="_blank">http://www.compaq.com/fortran/visual/update-66B.html</A><BR /><BR />Lance Thu, 14 Nov 2002 17:42:51 GMT Lance Brown 2002-11-14T17:42:51Z https://community.hpe.com/t5/operating-system-microsoft/debug-in-developer-studio-on-xp/m-p/2842392#M2125 I just changed my os to windows XP. Now when I try to debug in Compaq Visual Fortran 6.6, I get an message that Develper studio has encountered a problem and needs to close. It thinks it a memory access violation. I can execute the progam without any problems. Any thoughts on what I should try? Mon, 11 Nov 2002 16:04:56 GMT https://community.hpe.com/t5/operating-system-microsoft/debug-in-developer-studio-on-xp/m-p/2842392#M2125 James Price 2002-11-11T16:04:56Z https://community.hpe.com/t5/operating-system-microsoft/debug-in-developer-studio-on-xp/m-p/2842393#M2126 XP allows you to run programs in compatibility mode. Right click on the program and then properties. There will be a compatibility tab, check the compatibility to whatever your other OS was.<BR /><BR />6.6B is also available. You may want to update before you change the compatibility mode though. It???s located here:<BR /><A href="http://www.compaq.com/fortran/visual/update-66B.html" target="_blank">http://www.compaq.com/fortran/visual/update-66B.html</A><BR /><BR />Lance Thu, 14 Nov 2002 17:42:51 GMT https://community.hpe.com/t5/operating-system-microsoft/debug-in-developer-studio-on-xp/m-p/2842393#M2126 Lance Brown 2002-11-14T17:42:51Z