Turbine announced a hotfix coming for Lord of the Rings Online, coming this Thursday:

The LOTRO Game Servers will be brought down on Thursday, February 26 from 6:00 - 12:00 PM Eastern (-5 GMT) for a hotfix.

* Players will now receive a warning when running Windows Vista 32-Bit Edition with texture detail set to very high. This combination has been known to cause instability issues. Click here for more information.

* Several issues that allowed for unintended gameplay have been addressed.