Heya hukker. Unfortunately 0x7... addresses are usually stack related and essentially impossible to debug with just an address though it's interesting that they appear to all be the same. TCL essentially runs on the stack so I'm starting to think I should poke around there a little bit...
I strongly suggest grabbing the debug version I posted earlier in this thread and getting a dumpfile of the crash that you can send to me so I can play with it...
I've had a report of the debug version failing with a debug assertion failure under vista in one of the MS library routines. I'll look into this as soon as I get a vista environment to play with