when i load or create a new world the blocks are invisible

[Herominwe72]

Launcher Version: 1.0.1.3

Operating System: windows 7

Java Version: jre 7

Antivirus Program: i load a world or create one the games dosnt lag at all but theblocks are invisible.i can the the hud though.

Description of Problem:

i load a world or create one the games dosnt lag at all but theblocks are invisible.i can the the hud though.

Error Messages:

Error Log:

[Herominwe72]

its on tekkit btw

[mcjakki]

is everything white? sometimes optifine set ur render distance to tiny -240 when u make new world. i get this bug sometimes too.

[Herominwe72]

kk thanx tht worked