OK, the e-mail problem is fixed now and i managed to do the withdrawal.

However, another thing i notice is that when i run the pc in full benchmark mode winminer sometimes erroneously switches to GBX and mines it for a few minutes, but with an erroneously reported very high price, then after 3-4 minutes the price drops down to half and it continues to mine for a while, then stops the miner and start something else. This has also happened with some other coins in the past. I think it is loosing money that way, since it is restarting the miners too often and sometimes in the daily graph i see that the money earned drop down to almost zero (for a timeframe of 10 minutes), then raise back to normal.

How does everybody run their miners? In full benchmark mode or automatic mode? Has anyone compared these modes?