I had to remove a copy of multibit wallet from my system & after multiple times of trying to get it to work on my 64 bit system I can now open multibit wallet. I guess when I removed the program that the wallet .dat files were removed as well but I do have the wallet addresses that were removed. Is it possible to retrieve the missing data? Can I just send my bitcoin to another wallet or do I have to have the .dat file in order to accomplish this? Hopefully I have not caused all my bitcoin to go away permanantly. Any advice on this subject will be totally appreciated big time.