Backup wallet.dat and reinstall wallet from the OP.
reinstall wallet from the OP, copy your original wallet.dat to appdata\roaming\litedoge folder and run the command repairwallet from the console.
Thank you guys, I did all (Fresh installation, copied wallet.dat to the folder, ran repairwallet) but everytime when I try to send few coins to another wallet, the wallet crashes will following error. I have over 100 Million coins.. please help
Error:
Runaway exception
EXCEPTION:St13runtime_error
CDB: Error -30974, can't open database