MultiBit have problems with their wallet and this is not any secret.It is not normal that you need to wait 1 hour to use your wallet/coins,so it is better to quit using MultiBit and try some other wallet.I was using Classic version and it just stop to work,every time when open wallet it start to sync again.
There are many wallets to use,but I can recommend you Electrum which I use now.I am not sure can you use seed/private keys from MultiBit HD to transfer your coins to Electrum,but if you not have some big amount easiest way is to install Electrum and send your coins from MultiBit.