Try this：
1.Create File：vpncoin.conf C:\Users\Administrator\AppData\Roaming\VpnCoin\
2.Add :synctx2gui=0
3.Save vpncoin.conf
4.Restart the software
1.Create File：vpncoin.conf C:\Users\Administrator\AppData\Roaming\VpnCoin\
2.Add :synctx2gui=0
3.Save vpncoin.conf
4.Restart the software
Didn't help. The client is loading and then crashes with the same error (tried also to delete everything in this folder).
from debug.log
Code:
VpnCoin version v1.1.2.0-g32a928e ($Format:%cD)
Using OpenSSL version OpenSSL 1.0.1g 7 Apr 2014
Startup time: 11/16/14 06:16:56
Default data directory C:\Users\Administrator\AppData\Roaming\VpnCoin
Used data directory C:\Users\Administrator\AppData\Roaming\VpnCoin
dbenv.open LogDir=C:\Users\Administrator\AppData\Roaming\VpnCoin\database ErrorFile=C:\Users\Administrator\AppData\Roaming\VpnCoin\db.log
Bound to [::]:920
Bound to 0.0.0.0:920
Loading block index...
Opening LevelDB in C:\Users\Administrator\AppData\Roaming\VpnCoin\txleveldb
Transaction index version is 70509
Opened LevelDB successfully
LoadBlockIndex(): hashBestChain=00000ac7d764e7119da6 height=0 trust=1048577 date=09/04/14 12:00:00
LoadBlockIndex(): synchronized checkpoint 00000ac7d764e7119da60d3c832b1d4458da9bc9ef9d5dd0d91a15f690a46d99
Verifying last 0 blocks at level 1
block index 16ms
Loading wallet...
nFileVersion = 1010200
Keys: 101 plaintext, 0 encrypted, 101 w/ metadata, 101 total
wallet 702ms
Loading addresses...
ERROR: CAddrman::Read() : open failed
Invalid or missing peers.dat; recreating
Loaded 0 addresses from peers.dat 0ms
mapBlockIndex.size() = 1
nBestHeight = 0
setKeyPool.size() = 100
mapWallet.size() = 0
mapAddressBook.size() = 1
Delete your data folder sync again
Remember to save your wallet file---wallet.dat
