Every task I've had since the generator started back up have all errored out, three out of three of them. I have a 2080Ti, 2990wx CPU, Win 10 x64. I don't have more than ten other tasks from other projects running.
https://www.gpugrid.net/results.php?userid=558000&offset=0&show_names=0&state=5&appid=
The first two tasks detected memory leaks, the latest task did not. All had the following error:

Error invoking kernel: CUDA_ERROR_UNKNOWN (999)

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Seems like a driver issue. Or hardware issue on the GPU. GPUGRID tasks are very intense and can expose instabilities that you might not see on other projects.

If you’re overclocking the card, try removing the overclock and running at stock. Increase clocks slowly.

Also try completely removing your video drivers with DDU then reinstalling fresh drivers

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