Minecraft has crashed

Bonsoir
Tout à l'heure je jouais tranquillement à minecraft quand tout à coup ...


Minecraft has stopped running because it encountered a problem; Rendering screen

A full error report has been saved to C:\Users\Ernestina\AppData\Roaming\.minecraft\crash-reports\crash-2014-03-12_17.00.58-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash :(



--- BEGIN ERROR REPORT 5fe19747 --------
Full report at:
C:\Users\Ernestina\AppData\Roaming\.minecraft\crash-reports\crash-2014-03-12_17.00.58-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 12/03/14 17:00

-- Head --
Stacktrace:
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Unknown Source)
at bkf.<init>(SourceFile:110)
at net.minecraft.client.Minecraft.a(SourceFile:431)
at net.minecraft.client.Minecraft.a(SourceFile:1395)
at axu.e(SourceFile:166)
at axv.a(SourceFile:218)
at axt.a(SourceFile:175)
at axu.a(SourceFile:191)

Si vous savez pourquoi ceci c'est affiché, aidez moi svp