Thanks for trying the HeapAgent 3.12 trial. Note: The current retail version of HeapAgent, which you can purchase from MicroQuill, is version 9. So this trial version is rather old. While it will work with all versions of Microsoft Visual C++, including VS 2008, it cannot report file and line numbers for errors detected in code built with VC++ 7 & later compilers. The retail version of HeapAgent does not have this limitation. if you need a version of HeapAgent that reports file and line numbers for VC++ 7 & VC++ 8 projects, you have two options: 1. Purchase HeapAgent 9 from MicroQuill. The software comes with a 60-day money back guarantee. 2. Send an email to support@microquill.com and request a 30-day evaluation version of HeapAgent 9. You'll need to complete an evaluation agreement form. If the free trial version will work for you, here are the installation instructions: To use HeapAgent v3.1 trial: 1. Use winzip or another utility and the password hm3mw4 to uncompress the file. 2. Run setup.exe. If you have any questions or problems please contact Microquill Software Publishing Inc. at: Voice: (425)827-7200 Email: support@microquill.com WWW: http://www.microquill.com Please note that Support for this free version is *limited*. If it sounds like the problem you are having is related to the limited support available for recent compilers, we will just suggest that your upgrade to the retail version.