UltraVNC

More info from nVidia:
We checked further on this, WDDM and NVIDIA drivers are independent of each other. There shouldn't be a need to have a specific hardware or driver to get WDDM driver working. However, we have a Windows 8.1 working with a GTX 680 set up with WDDM 1.3 here.

So no matter what ...

I got a response from nVidia:
"From the email, I understand that you would like to know if we have a driver that is WDDM v1.2.
I will be more than happy to help you with the query that you have.
Unfortunately the last driver we have is 331.82 which is again WDDM v1.1.

I don't know if newer nVidia ...

The w8hook use the desktop duplication engine.
This require wddm1.2 or higher video drivers to work proper.

Windows 8 has WDDM 1.2 and Windows 8.1 has WDDM 1.3.
I can find no information about WDDM for my video card, so have asked nVidia about it.
I can find no way of learning or testing to see ...

With w8hook enabled
[v] poll full screen
[v]systemhookdll
[v] low accuracy

Don't use the other options, they are only usefull for low bandwidth

That's exactly the settings I had. I will change the settings back to that.

Could the video driver have anything to do with my problems?

When I ...

It says it's using w8hook.

Poll settings:
It was just Poll Full Screen ( Ultra Fast )
I've now also check-marked Poll Foreground Window and Poll Window Under Cursor .

That change hasn't affected the extreme slowness when the TV is turned off. In fact, now not only is it slow (3-5 seconds response ...

I have inconsistent behaviour of video when remotely controlling my Windows 8 computer (my media centre computer). Most of the time it works OK, but sometimes the video freezes for a second or two, or freezes up for much longer. Long enough that I give up, close the connection, and reconnect ...

I used the latest online creator. Is it is supposed to add correct manifest file?

I've got UltraVNC SC working, but when it exits on the computer, the "Program Compatibility Assistant" pops up complaining that "This program might not have installed correctly."

My testing so far has been with Windows 7. I don't know yet if this happens with other versions of Windows.

How can ...