demo won't load - comes up with 'fatal error'

Every time I try to load the demo version, after logging in to my account, I get the following:
[22:58:34] [Client thread/INFO]: Setting user: Player
[22:58:34] [Client thread/INFO]: (Session ID is token:9b733fbd0e8342cfaec6ff6dd4593805:00000000-0000-0000-0000-000000000000)
[22:58:42] [Client thread/INFO]: LWJGL Version: 2.9.4
[22:58:45] [Client thread/INFO]: Reloading ResourceManager: Default
#

1. A fatal error has been detected by the Java Runtime Environment:
   #
2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x0088d138, pid=3408, tid=3996
   #
3. JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18)
4. Java VM: Java HotSpot(TM) Client VM (25.25-b02 mixed mode windows-x86 )
5. Problematic frame:
6. C 0x0088d138
   #
7. Failed to write core dump. Minidumps are not enabled by default on client versions of Windows