D 5 video export issues

**D5 Render Version:**2.4-latest available on your site.
**Graphics Card:**MSI RTX 4090 24gb
**Driver Version:**latest 5. Something Nvidea driver software updated it this am.
**Issue Description:**setup a 1 minute and 38 second clip set to export at 30fps. And at 4k, it was exporting for about 2 hours, then through my pc speakers comes this loud buzzing/hum sound, no D5 is locked up freezes whole windows 10 pc. Have to shut down to unlock it. I have 32gb ram in OC as well i7 skylake 6700.
Screenshots/Videos Description:
**Steps to Reproduce (optional):**restarted OC…tried again same result.

Hi mate, make sure super sampling option is turned on. Also, you may need to monitor the RAM, I guess maybe 32GB is not enough if the scene file is very large. From your description it sounds like the VRAM is all used, and shared VRAM (from RAM) is not enough.