Great to hear of another soul having made the cross over to BOINC.

Also because of it's encryption and the fact that the UD agent creates a DLL during start up, it's felt that UD agent is more susceptible to particulars of security software (Firewall/Antispam/Antivir/DEP etc). Regrettable, lacking any material error reporting by that agent, it's hard to pinpoint..... trial and error and lots or reading of older posts often leads to resolution, more than not by accident, without an exact diagnosis and cure.