Spidering stopped working
 

My website has been indexed and the search feature is working fine for those pages that have been indexed. I've recently added new pages to my website but when I go and index these new pages I get this:

Spidering in progress... [Stop spider]

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SITE : http://www.listentech.com/
Exclude paths :
- _mm/
- _notes/
- _baks/
- MMWIP/

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links found : 0
...Was recently indexed
Optimizing tables...
Indexing complete !
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[Back] to admin interface.

I can not get the new pages indexed. I dont' know why it stopped working. Does anyone have any ideas?

Current Database Status:
DataBase status
Hosts : 1 Entries
Pages : 455 Entries
Index : 11501 Entries
Keywords : 3326 Entries