I guess there're all kind of reconfiguration on Internet all the time. I have the same experience. You only need to reload the page and it'll be ok.
-guest:;
2000-9-30(#9742@0)
thank you for your help!
-rochest(rochest);
2000-9-30(#9762@0)
It will happen when you edit some important file (such as: global.asa...) under NT IIS
-bdsc(bdsc);
2000-10-3{13}(#9877@0)