Your JAVA version may be too new.
Archicad is a bit fussy about what version of Java is installed.
Try deleting it.
The Archicad installation should install the version it needs - if not it is on the installation disk.
You can upgrade Java again after you have installed.
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11