Usually this problem occurs when Adobe Air installed incorrectly.
Please reinstall Adobe Air and CS.
Both applications can be removed with this tool:
Then reinstall Adobe Air from here:
And use the direct link to download and reinstall Curationsoft:
If, after completing above steps you are still getting an http error, see the
following two additional suggestions:
Add Curationsoft and Adobe Air applications to your windows firewall and all antivirus software.
Since some wordpress plugins can cause the remote posting not to work, disable certain
plugins, one at a time, then try logging into the software again after each one.