Thanks for posting in the forums! I'm sorry to hear you are having issues with Watch on Slingbox.com.
I understand you are using Internet Explorer 10. I would recommend uninstalling and reinstalling the Web SlingPlayer Plug-in for Internet Explorer.
Below is a link to an article that explains how to do so:
If you are still experiencing issues; could you try using another browser, such as Google Chrome or Mozilla Firefox, in attempt to isolate the issue?
Hope this helps!
The Sling Moderation Team.
Thank you Tyler
I followed the instructions your provided implicitly; then tested Watch, and this time it worked flawlessly!
No hangup, freeze or lockup this time. And it was an easy fix you provided
Hopefully everything will work next time also, and every time from now on.