Before reporting any bugs make sure you can reproduce them with all mods disabled, as some mods may contain out of date data or bugs. Please report any mod bugs in the forums to the mod author where available, or on the steam workshop page for the relevant mod.
Democracy 3 saves debug logs on PC in \my documents\my games\democracy 3\debug. Checking thes logs may explain what problem you have encountered.
If you encounter a problem in save games and need to send the save game to us, they can be found in
\my documents\my games\democracy 3\savegames.
Always ensure you have the latest drivers for your video and sound card, and that you PC is free of all viruses or other malware.
If you have manually deleted a mod, or deleted the DLC and cannot get it to come back, then try deleting this file: \my documents\my games\democracy 3\mod_status.ini