I myself have the newest versions of java, both 64 and 32 knowing that some mods and game files have preferences, andand would have posted this in the bug report thread, however my account is unable to make any topics in that section( perhaps due to my account being newly made, nontheless, this whole bug may just be a result of instability in comparrision to tekkit 2 which ran very well on my i5 laptop and will simply wait for a fix, as the laptop is not needed to play at the moment