I'm using the hempcoin wallet for windows from their website and it's taking forever to sync. It has connections but doesn't actually seem to be going down the blocks. (I can see it's using my internet for something)
I sent some THC to my wallet thinking it was sync'd and now the balance isn't showing, the address which I sent too has lit up but I've had the wallet open for days.
Any idea how to speed it up so to get the coins showing?
I have no idea what "hempcoin" is but I predict you are using the full node client that's a fork of Bitcoin Core.
Well, on that case no, there's no way to speed it up, other than getting better internet connection, a better computer to validate nodes faster, and try to improve your connectivity by opening the adequate ports. If there aren't many peers on hempcoin's network then that could be a problem beyond your reach.
You could try to find out if there are some SPV wallets available for hempcoin (similar to Electrum for BTC etc)