Exact same problem. Upgrading to 1.4.8 beta fixed problem, but only when installed on both server and client (tried just client first with no change).
server: Win7 Pro 32bit client: Ubuntu 12.04 32bit (upgraded incrementally from 10.04, if that's relevant)
Exact same problem. Upgrading to 1.4.8 beta fixed problem, but only when installed on both server and client (tried just client first with no change).
server: Win7 Pro 32bit
client: Ubuntu 12.04 32bit (upgraded incrementally from 10.04, if that's relevant)