Webshare - Premium account don't work

Free Webshare plugin work OK, but If I try use my Webshare Premium account - with user name and password, plugin in next definitive broken...

Every attempt end with error : No string between " and" was found... No possibility to download anything... Every attempt ends with an error...

I tried delete plugins and also "plugin_WebSharePremium.xml" form root FRD, then updated plugins and everything work OK, but ONLY in free mode, without premium... If I try set password and user name - plugin is broke again....

I tried it repeatedly...

I use FRD 0.9u4.

Can you help me, how to set Webshare Premium ??

Thanks.