I have my first CUDA compatible card GT220, but CUDA will not install, so I am seeking help from some of you experts.

The scan on NVIDIA for the driver states:
"NVIDIA GeForce GT 220 195.62 Your PC currently has the latest driver installed for your GPU. No driver update is necessary at this time. "

Here is the card from GPU-Z (which shows it should be CUDA enabled):


Yet when I try to install either 2.2 or 2.3 I get:
"The NVIDIA Setup program could not locate any drivers that are compatible with your current hardware. Setup will now exit."

Any help in this would be greatly appreciated.

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What are trying to install?, If you any Nvidia drivers from 177.xx onwards then you'll have Cuda,
different versions of Cuda came with later drivers, like 185.85 has Cuda 2.3, (about 30% faster than earlier versions)
while the latest 195.xx drivers have Cuda 3.0 (not any faster, yet)

Claggy

Well, BOINC 6.10.18 says I have no CUDA device.

I believe I have the BASIC drivers installed, not the CUDA drivers. So when I try to install the drivers that says CUDA they say I do not have a compatible device.

If I uninstall the basic drivers, they just auto install after the forced reboot.

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One question.

Is protected mode still an issue? I thought I read this was fixed in newer versions?

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My movie https://vimeo.com/manage/videos/502242

On Vista and Windows 7 you do not want protected application execution mode, because of this:

In Microsoft® Windows® XP, Microsoft Windows Server™ 2003, and earlier versions of the Windows operating system, all services run in the same session as the first user who logs on to the console. This session is called Session 0. Running services and user applications together in Session 0 poses a security risk because services run at elevated privilege and therefore are targets for malicious agents who are looking for a way to elevate their own privilege level.

The Microsoft Windows Vista™ operating system mitigates this security risk by isolating services in Session 0 and making Session 0 noninteractive. In Windows Vista, only system processes and services run in Session 0. The first user logs on to Session 1, and subsequent users log on to subsequent sessions. This means that services never run in the same session as users’ applications and are therefore protected from attacks that originate in application code.

In Windows XP it doesn't matter.

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OK, annoying but able to be worked around I guess.

Thanks for the blurb, stupid MS.

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My movie https://vimeo.com/manage/videos/502242

Fixed and crunching on the CUDA.

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My movie https://vimeo.com/manage/videos/502242