When i try to start bitmonerod or wallet im getting this error:

Starting...
bitmonero v0.8.8.1(0.1-g328a52a)
Module folder: bitmonerod
Initializing p2p server...
ERROR c:\temp\monero\git-experimental\bitmonero-0.8.8update-x64\src\p2p\net_node.inl:82 Exception at [node_server::init_config], what=invalid signature
ERROR c:\temp\monero\git-experimental\bitmonero-0.8.8update-x64\src\p2p\net_node.inl:204 Failed to init config.
ERROR ..\..\src\daemon\daemon.cpp:148 Failed to initialize p2p server.
Mining has been stopped, 0 finished

Till today everything worked fine. Im using win8 64bit. The firewall is disabled.
Where is the problem ?

does the monero missives coming today ?