The server.dat is located under the "roaming" part of your user-profile rather than local.
I'd start by just removing the numbered .dat file and the localDataCache.dat. If you delete the servers.dat you'll need to re-add your servers into the console.
I'd start by just removing the numbered .dat file and the localDataCache.dat. If you delete the servers.dat you'll need to re-add your servers into the console.