Forgot to check that you’ve seen this post from the staff:
Crashing on Systems with AMD Ryzen CPUs
We have seen reports of Overwatch crashing on computers with AMD Ryzen CPUs due to a bug with older BIOS versions on certain motherboards. To prevent this crashing on your Ryzen systems, please update the BIOS to the latest version using the files and procedures found on the motherboard manufacture’s website.
Once this is done, you should also update the chipset drivers for the card .
The BIOS and chipset drivers are the links between the hardware and th…
And also ask which hard drive your game is installed on?
Drive: G:
This one needs some space freed up to run properly. You should keep approximately 12-15% of the drive dedicated to free space for paging files/fastest performance.