-Technic launcher disappears and after 3/5 sec. reappears!
Fix : Try reinstalling the modpack
-Minecraft is loading slow or even stucks:
Fix : Increase the RAM value, to make minecraft loads faster (if you have more)
-Reika's mods update notification can't be closed
Fix : While in game press ALT while holding CONTROL and click on the "X".
-You get a crash saying cpw.mods.fml.common.LoaderException: java.lang.NoSuchMethodError: lib.enderwizards.sandstone.Sandstone.preInit()V
Fix : delete \mods\1.7.10\LibSandstone-1.0.0.jar