Of course, the blame is not made ​​a backup wallet.dat
http://blockchain.info/address/14aAM9tMuuQBjBXrkHZ7peKTkXHLoNqB6y
9.4BTC + the little things to a different addresses

Bug is that the program remains after closing some time in the memory (the process) and overwrites the wallet.dat. At this point I let the computer reboot. After a purse is no longer run.
http://savepic.su/1809195.png
http://savepic.su/1771309.png
Send the file to moderator, says it all shabby, can not be restored.

The essence of this message ...
1. Make backup copies.
2. Upgrade to latest version.

A few days later released a new version 0.6.1 which is corrected
- Shutdown improvements

Sorry for bad translation