Hello ladys and gentlemen 
  
I registered here in your website to pray for some help for my problem. 
  
I played multi mc 4.x dont know anymore with identical mods as i have now. 
  
43  mods (x behind them means, i got them in multi mc 5 as well and are ready for 1.6.4) 
Thaumcraft X 
Forestry   X 
Reis minimap  X 
Optifine 
Minecraft coder pack X 
Forge mod loader X 
Minecraft forge  X 
Codechicken core  X 
Cofh framework 
Not enough items X 
Powercrystals core X 
Thermal expansion X 
Ic2 X 
Ic2 machines add X 
Advanced power management 
Animal bikes 
Bibliocraft X 
Extrabiomes xl X 
Binnie core X 
buildcraft  X 
Additional buildcraft object X 
Charge pads 
Compact solar arrays X 
Computercraft X 
Immibis core X 
Dimensional anchors  X 
Easy crafting 
Equivalent exchange3 X 
Enchanting plus 
Nuclear control X 
Inventory tweaks X 
Iron chest X 
Nei plugins X 
Nether ores  X 
Power converters 
BAlkons weaponmod X 
  
AND NEW MODS: 
Tramsducters 
Ruins spawning system 
Redstone arsenal 
Redlogic 
Nei addons 
Magic bees 
Thaumic tinkerer 
Railcraft 
Immibis peripherals 
Gregs lightning 
Dynmap 
Chickenchunks 
Bibliowoods forestry edition 
Bibliowoods extrabiomes xl 
Forge multipart 
Immibis microblocks 
  
So, my problem is, that i copied my world from multi mc 4(mc version 1.5.2) and well, it hadnt worked. 
Then i looked about similar item ids and threw out all thaumcrafz and ic2 stuff and it didnt worked either. 
  
But the world is starting for like 3 secs, where i can walk and make everything, and then mc freezes and this log appears