Error in my_thread_global_end(): 1 threads didn't exit

hello

using iis 6.0. Everything works fine, but I am getting this error at the end of every page page. Nothing seems to be wrong besides the second or two it takes processing to display the message everytime.

Error in my_thread_global_end(): 1 threads didn't exit

Sometimes 2 threads...

Any ideas?

thank you.