my minecraft keeps crashing when I go on a sever or go in single player. ill be playing and 10 to 30 seconds later it crashes and says this..

Completely ignored arguments: [--nativeLauncherVersion, 307]
[23:28:04] [Client thread/INFO]: Setting user: tabbycat1132
[23:28:04] [Client thread/INFO]: (Session ID is <censored>)
[23:28:09] [Client thread/INFO]: LWJGL Version: 2.9.4
[23:28:12] [Client thread/INFO]: Reloading ResourceManager: Default
[23:28:13] [Sound Library Loader/INFO]: Starting up SoundSystem...
[23:28:13] [Thread-6/INFO]: Initializing LWJGL OpenAL
[23:28:13] [Thread-6/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[23:28:14] [Thread-6/INFO]: OpenAL initialized.
[23:28:14] [Sound Library Loader/INFO]: Sound engine started
[23:28:21] [Client thread/INFO]: Created: 512x512 textures-atlas
[23:28:33] [Client thread/INFO]: Connecting to titanmc.net, 25565
[23:28:55] [Client thread/INFO]: [CHAT] Sending you to server op1
[23:29:06] [Client thread/INFO]: [CHAT] [ChatColor] Your current chat color is: this!
[23:29:07] [Client thread/INFO]: [CHAT] -------------------------------
[23:29:07] [Client thread/INFO]: [CHAT] Welcome to;
[23:29:07] [Client thread/INFO]: [CHAT] TitanMC OP Prison
[23:29:07] [Client thread/INFO]: [CHAT] Players Online: 188/250
[23:29:07] [Client thread/INFO]: [CHAT] STORE: store.titanmc.net
[23:29:07] [Client thread/INFO]: [CHAT] FORUM: forum.titanmc.net
[23:29:07] [Client thread/INFO]: [CHAT] TWITTER: twitter.com/TitanMCHub
[23:29:07] [Client thread/INFO]: [CHAT] -------------------------------
[23:29:07] [Client thread/INFO]: [CHAT] You have no new mail.
[23:29:08] [Client thread/INFO]: [CHAT] [M] TurtlePlayzMC: Fuzzy pig is as fuzzy as it gets
[23:29:08] [Client thread/INFO]: [CHAT] [J] JimothyExcel: no
[23:29:08] [Client thread/INFO]: [CHAT] [P] Donator The_Amazing_Nio: who buys emerald blocks?
[23:29:08] [Client thread/INFO]: [CHAT] [I] Blandik: MOMbhgdskut67rt
[23:29:08] [Client thread/INFO]: [CHAT] [E] Phantomlaird200: CyrosFalls thanks?
[23:29:08] [Client thread/INFO]: [CHAT] [Y] Legend LittleJesc: FluffysSon
[23:29:11] [Client thread/INFO]: [CHAT] [K] iTz_Hammer: who selling diamond blocks?
[23:29:11] [Client thread/INFO]: [CHAT] [Z] Legend FluffysSon: yo
[23:29:16] [Client thread/INFO]: [CHAT] [N] benjiz34: e
[23:29:18] [Client thread/INFO]: [CHAT] [T] Elite Donuts_Are_Life: um
[23:29:19] [Client thread/INFO]: [CHAT] Broadcast> Markdothejig has just graduated from the Art School!
[23:29:21] [Client thread/INFO]: [CHAT] [R] MakieFlay: (=--- anyone selling Laser pickaxe for cheap? msg me --=)
[23:29:23] [Client thread/INFO]: [CHAT] [E] ldog0525: how much is a scrappy axe worth
[23:29:23] [Client thread/INFO]: [CHAT] [P] JungleGeorgeMine: g
[23:29:24] [Client thread/INFO]: [CHAT] [P] Donator The_Amazing_Nio: who buys emerald blocks?
[23:29:24] [Client thread/INFO]: [CHAT] [O] Leximo99: CyrosFall how much do Dragon Helmets go for?
[23:29:24] [Client thread/INFO]: [CHAT] [P] JungleGeorgeMine: g
[23:29:28] [Client thread/INFO]: [CHAT] [I] Blandik: momndstfgjkryt7fdgjiejinbvduyuw fvu8enhhelofbgfethelpmekueyftg7e4e5v
#

1. A fatal error has been detected by the Java Runtime Environment:
   #
2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007ff8ddf9d683, pid=7996, tid=4196
   #
3. JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18)
4. Java VM: Java HotSpot(TM) 64-Bit Server VM (25.25-b02 mixed mode windows-amd64 compressed oops)
5. Problematic frame:
6. C [ig7icd64.dll+0x6d683]
   #
7. Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
   #
8. An error report file with more information is saved as:
9. C:\Users\tabbycat\AppData\Roaming\.minecraft\hs_err_pid7996.log
   #
10. If you would like to submit a bug report, please visit:
11. http://bugreport.sun.com/bugreport/crash.jsp
12. The crash happened outside the Java Virtual Machine in native code.
13. See problematic frame for where to report the bug.
    #
    AL lib: (EE) alc_cleanup: 1 device not closed
    Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release