Tekkit crashes with no error box after few minutes of game time

[Hitman2147]

Launcher Version: 1.0.2.0

Operating System: Windows 7 Home Premium 64 Bit

Java Version: Version 6 Update 35

Antivirus Program:Norton 360

Description of Problem:

I load up tekkit.. (Im using dokucraft light for the texture pack) and i play. After about 10-15 minutes tekkit randomly crashes.

Error Messages:None

Error Log:How do i check the error log?

[Ashzification]

Please post this in Tekkit Bugs.

[Hitman2147]

Is this not the section?

[Hushful]

Considering this is the Technic Launcher Bugs / Problems section and not Tekkit Bug Board, no, it's not.