Please help!
I have an unconfirmed transaction within 3 days.

I was delete the blockchain, reload blockchain , and created the new  wallet from the private key, but the transaction is still hanging.
I tried to reload blockchain and created the new  wallet from the private key 4 times. Nothing.
I tried to install KMC version 2.0 beta, reload blockchain and created the new  wallet from the private key 4 times. Nothing.

My wallet is KmNzEgq3EiDUMhPJbPt1GtgDDs4wTfRMcVfW8rAHUCyi2Lzyp5ct7F1VhJRPFQganEL8cTwtMUkYVZr uVut5G1ff1fsvLvy.
Problem transaction :  24.02.2018 unconfirmed transaction cd4b12f9449252f8d6679a63a30e080f08af860ba21eaad5238d39c4e09552a3, spent 1820.01000000