Plugins: removed extra CoCreateInstance calls

git-svn-id: http://svn.code.sf.net/p/processhacker/code/2.x/trunk@5586 21ef857c-d57f-4fe0-8362-d861dc6d29cd
added error messages for module and handle lists

git-svn-id: http://svn.code.sf.net/p/processhacker/code/2.x/trunk@5587 21ef857c-d57f-4fe0-8362-d861dc6d29cd