Issues with network shares

hey guys i am having issues with my network shares and my western digital tv live. I have followed the steps that are on this forum for making it work with windows 7 shares. Most of the time the shares work, but randomly they will stop working. The only way to get it to work again is to wait maybe 20 minutes and the shares will re appear, or you can restart the computer and it will re appear immediately.  I cannot figure out why this is happening or how to fix it. 

All the WD boxes in the house are on the latest firmware. When the WD cant access the share i try using another computer to access them and it works perfect. That tells me the shares are working ok.

any ideas guys?

You should PM  TonyPh12345, he have helped lots of people here with this kinds of issues.

ok i will do that thank you

Start here:

See if this tutorial for troubleshooting helps: