master var storage not created

[go9girl]

when choosing the stealth preset i get the following error. Error starting domain: operation failed: unable to find any master var store for loader: /usr/share/edk2-ovmf/x64/OVMF_CODE.fd This is because the /var/lib/libvirt/qemu/nvram/Windows10-stealth.fd as was defind in Windows10-stealth-amd.xml line 17 dosent exist.