claims temp file is used by another process

QEMU emulator version 2.12.50 (v2.12.0-12378-g99a34dc4d2-dirty)

"c:\Program Files\qemu\qemu-system-x86_64.exe" -net none -parallel none -bios OVMF.fd -L . -hda fat:rw:image
vvfat image chs 1024,16,63
c:\Program Files\qemu\qemu-system-x86_64.exe: -hda fat:rw:image: Could not open 'C:\Users\tsiros\AppData\Local\Temp\qem5B92.tmp': The process cannot access the file because it is being used by another process.