Sorted:

problem about windows-installer-Collection of common programming errors

problem about task-Collection of common programming errors

problem about simpledateformat-Collection of common programming errors

problem about openfire-Collection of common programming errors

problem about jmx-Collection of common programming errors

problem about handling-Collection of common programming errors

problem about gwt2-Collection of common programming errors

problem about direct3d10-Collection of common programming errors

problem about blogengine.net-Collection of common programming errors

problem about axis-Collection of common programming errors