I just upgraded from 4.5 to 4.5.3. I use the included windows service for my build agent, it runs under the account "Builder".
I'm finding that my agent is disconnected with the message " There were no builds on this agent or you do not have enough permissions to clean sources of build configurations built on this agent"
The builder account has full permission to
as well as to
there is no c:\users\Builder\.BuildServer directory