Put the summary of the bug you're having here
I opened Minecraft launcher. Selected my world. As world loaded, Minecraft crashed. Several times. Will not load. Attached one of several crash reports.
Environment
OS: Windows Vista (ver 6.0, arch x86)
Java: 1.6.0_07 (by Sun Microsystems Inc.)
Launcher: Minecraft Launcher 1.3.11 (bootstrap 5)
Minecraft: 14w18a (updated Wed Apr 30 06:25:35 EDT 2014)
Duplicate of MC-54008 – If you have not, please use the search function in the future, to see if your bug has already been submitted.