Motion Flex

Delete all your config folder, redpower folder (which contains the config) and buildcraft folder (which contains the config).

Clear your cache. If they still occur post back.

Update your JAVA to JAVA 7. That is your problem.

Well this is to be expected when going to new chunks but you can check your performance setting in option and lower them. Also if you still have problems, clear your cache.

O, your talking about the NEI options. Also update your JAVA to 7.

Well, You try not to delete it and disable the mod. You can do this on the technic launcher and go to mod select and type 'off' next to the mod you want disabled.

I am happy to help. I am doing whatever i can do for the community. :)

This is how to fix: Delete all three files located inside the .techniclauncher folder. They are: lastlogin, launcher.properties, and technic-launcher.jar. Start your technic launcher and magic it works. All credits go to 1FrodoBaggins1 on the yogcasts forums. :)