When attempting to run Minecraft/Switch between full screen and windowed/ alt+tabbing out of the program, client crashes.

OS: Windows 7 , 64 bit Build 7601 Service Pack 1

CPU:total 2 (2 cores per cpu, 1 threads per core) family 6 model 23 stepping 10, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3, sse4.1, tsc

Memory: 4k page, physical 4056004k(1082364k free), swap 8110152k(3889056k free)

vm_info: Java HotSpot(TM) 64-Bit Server VM (23.2-b09) for windows-amd64 JRE (1.7.0_06-b24), built on Aug 9 2012 20:44:07 by "java_re" with unknown MS VC++:1600