mkcert.exe Insufficient system resources - file gets deleted

I'm running in to a very strange issue, whereby suddenly mkcert.exe refuses to run on a developer's PC, where previously it worked fine. I have attached an image of the error and have tried all manner of troubleshooting that I know (created new admin account, running powershell as admin, reinstalled chocolatey, reinstalled mkcert, closed down any programs in the background, rebooted, updated Windows). Literally nothing has helped, and the most bizarre thing is that when we try and run it, and it throws the exception about insufficient system resources, I can watch the file get deleted with my own eyes and appear in the recycle bin.

Any help appreciated.