My game sometimes when using frame motors

[lintony132]

Title: My game crashes sometimes when using frame motors

Version: 3.1.2

OS: Windows 7

Java Version: 7

Description of Problem:

My game client crashes sometimes when using frame motors. Not always, but happens when i use motor to move something bigger than a lets say, an 8 by 4 of frames.

Error Messages:

none

Error Log:

none

[Hushful]

Error log or it didn't happen.

[lintony132]

there was no error log. My game client just turns white and doesn't do anything until i close it.