Steps: Started with a thread, tried clicking on the arrow to show a sig rig. Refreshed same thread and tried again. Tried with different threads with same results.
Expected: Should open or nothing happens
Notes: Hashtag added to end of URL
System info: Chrome 17.0.963.56 m, no active browser addons, Windows 7 Utlimate 64-bit SP1
Very similar to the bug here