Cannot step into .NET framework source with VS2008 SP1

Question

Somehow my VS2008 SP1 has lost the ability to step into .NET framework sources. I\'ve played around with checkboxes to no end; I\'ve re-deleted the Symbol cache folder a dozen t

Answer 1

I've run into this a few times in 2005. Much of this is voodoo and probably irrelevant, but somewhere in here is the answer (that works for me):

1. Kill the service
2. Delete any local .pdbs
3. Get rid of the temp files in (for example) C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files (either just the project-related files or all of them)
4. Restart service
5. If that didn't work, repeat 1-4, reboot and then try