Please turn on detailed logging (Options|Advanced|Logging), leaving "Only for failed downloads" unchecked, then check the log tab after trying to connect or download. The log should give you details of the error.
Please be aware of and use the following pages... Services Status Page : SuperSearch and Usenet Access server status, retention, server load, indexing time, etc. Support Request Form : Use this if you have a problem with billing or account status. The forum is only for NewsLeecher application issues.