http://blogs.msdn.com/jgoldb/archive/2008/10/10/fixes-to-wpfperf-performance-profiling-tool.aspxSome folks reported issues with x64 &amp; with x86 on non-US PCs with our first post . On 10/9/2008 we posted an update.&#160; These issues should be fixed now. You are welcome to download from: http://windowsclient.net/wpf/perf/wpf-perf-tool.aspxen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/jgoldb/archive/2008/10/10/fixes-to-wpfperf-performance-profiling-tool.aspx#8995226Sat, 11 Oct 2008 04:13:26 GMT91d46819-8472-40ad-a661-2c78acb4018c:8995226Fixes to WpfPerf Performance Profiling Tool | Simply Net Development<p>PingBack from <a rel="nofollow" target="_new" href="http://www.simplynetdev.com/fixes-to-wpfperf-performance-profiling-tool/">http://www.simplynetdev.com/fixes-to-wpfperf-performance-profiling-tool/</a></p> http://blogs.msdn.com/jgoldb/archive/2008/10/10/fixes-to-wpfperf-performance-profiling-tool.aspx#8995639Sat, 11 Oct 2008 12:35:48 GMT91d46819-8472-40ad-a661-2c78acb4018c:8995639Just code - Tamir Khason<p>Hi, folks. And thank you for reporting issues with WpfPerf Performance Profiling tool . Now it was fixed</p> http://blogs.msdn.com/jgoldb/archive/2008/10/10/fixes-to-wpfperf-performance-profiling-tool.aspx#8995640Sat, 11 Oct 2008 12:35:56 GMT91d46819-8472-40ad-a661-2c78acb4018c:8995640Just Code - Tamir Khason<p>Hi, folks. And thank you for reporting issues with WpfPerf Performance Profiling tool . Now it was fixed</p>