I've noticed this a few builds back (ver 890.6 was the last bug free version) and of course the help desk knows nothing about it. I thought it was a problem with an existing/old install, as fresh installs seemed not to have this bug, but now I think ITS SOME OTHER BULLSHIT, that should have been fixed. I have completely reinstalled TWS and JAVA (so its not that), and I run the standalone, though the bug is also on the webstart version. Problem: TWS main screen locks in position, ie , it can be moved at all. Screen updating randomly freezes!! if the mouse is not hovering over the TWS screen area. Recreate Problem: Enable Manage Workspaces (Configure/Feature Selector). Right click on status bar , click configure, deselect 'show workspace buttons' This immediately and reproducibly locks up the window (can't be moved with the mouse) I'd like a few of you to try this and see if you get the same issue. Running version 892.9b, but any version after the one I mentioned should have the bug.