After installing Visual Studio.NET betas, you may find that when you are writing stored procedures and you encounter an error, the EM crashes and aborts, rather than allowing you to correct the error.
There are a couple of workarounds. One is to use Query Analyzer or another tool (even ASP!) to create your stored procedures. Another is to delete the 'OANACACHE' value from the Environment Variables section of system properties. And finally, removing the .NET Beta and installing the RTM version will also fix this problem. You can find about the final release at Microsoft's
Visual Studio Home Page...