How can I know if the solo miner is working correctly?
You will know when a transaction in a section "Recent transaction" will pop up on the right side of the main wallet's window.
It should look something like that
http://i62.tinypic.com/29fe881.jpgYou can also check in a "Debug window\console" and use getmininginfo command.
The generate value should be "true"
http://i57.tinypic.com/5fp57c.jpgPS. Read my next post as there are some network problem and you will not be able to mine at all now - just as everyone else:)