It's a resource entry in your resource manager. You will need to delete it if you do not want it to display.
This addon simply pulls all resources from the resource manager and displays them, it doesn't let you specify which will display.
We did some rigorous testing of the addon again and nukedi's issue could not be duplicated. In addition, the addon is incapable of doing what happened to nukedi.
The addon has been readded so it can be downloaded.
What did it do exactly? It's currently running on 2 forums (one with resource manager and one without) with no problems.
Also, what other addons do you have installed? There might be a compatibility issue with one of them.
As a precaution, I deleted the download until you provide more...