Wireless network not connecting

Good morning,

I'm having trouble connecting to a wireless network; literally one minute the connection was fine and the next minute I can't get connected. I've been hoping it would fix itself just like it broke itself, but that hasn't happened. All other computers sharing this router are fine and no changes were made router-side. I've tried restarting the router. Tried managing the connection with Windows and Intel. It's a security-enabled wireless network and I can see it listed as an available network. No error message...it just acts like its trying to connect and then gives up.

 

Thanks for any suggestions,

NM