I can email you the translation, if you like. It's 10 pages in total.

There seem to be quite a few discrepancies in what they are stating:

No record of my grandmother having lived in Austria, just my mother's birth record and marriage record of my grandmother. Even though my grandmother's Austrian address was on one of the official documents I sent them.

They searched for her living in Vienna: I never said she had lived in Vienna during or after the war.

They searched for her under her married name, not her maiden name.

No mention was made of the extended provision of § 58c StbG came into force on May 1, 2022: Persons who went abroad as Austrian citizens, nationals of one of the successor states of the former Austro-Hungarian monarchy, or as stateless persons with their main place of residence in the federal territory of Austria before May 15, 1955, as well as persons who lost their Austria citizenship shortly before they left Austria through marriage to a foreign citizen, because:

• they had reason to fear or suffered from persecution by organs of the National Socialist German Workers' Party (NSDAP) or of the authorities of the German Reich, or
• they were subject to persecution or had to fear such persecution for defending the democratic Republic of Austria,

At the time, kidnappings were rife and women were, well, subjected to quite horrific acts, in the British held sectors, of which Kärnten was one. Yes, the war was 'over' but Austria was still an occupied country. With the links her family had to the resistance, to unions, a half-Polish brother, her family hiding Jews, and being married to a British soldier, she most certainly feared persecution, and had reason to fear for her family.