Try the suggestion here: * http://kb.mozillazine.org/Recovering_a_missing_profile * http://kb.mozillazine.org/Profile_in_use * https://support.mozilla.com/kb/Firefox+is+already+running+but+is+not+responding

Missed that you already had a reply. But I think the solution has to be based on how you are opening the profile. '''Profile names''' are '''case sensitive'''. * [http://kb.mozillazine.org/Toolbar_customization Toolbar customization - MozillaZine Knowledge Base] * [http://kb.mozillazine.org/Recovering_a_missing_profile Recovering a missing profile - MozillaZine Knowledge Base], * [http://kb.mozillazine.org/Profile_in_use Profile in use - MozillaZine Knowledge Base], * [http://kb.mozillazine.org/Shortcut_to_a_specific_profile Shortcut to a specific profile - MozillaZine Knowledge Base]