problems viewing youtube while tethered

Samsung S, T mobile, Gingerbread.

While using Foxfi or PdaNet, and using "hide tether usage" on Pdanet or the foxfi add on, I cannot view youtube vidos. I've explored flash upgrades, but that is not the issue.

I used to be able to view youtube, this is a fairly recent development.

This is true for laptop and desktop.

When laptop is using other wifi, it can play youtube, so it has got to have some connection to the blocking.

Any workaround?