#41429

Hi Paul,
This can happen if you do not unzip the file before running the installer. Please be sure to follow step #2 “Unpack the .zip archive (right-click, Extract All… on Windows) and run via right-click -> Open on the Install icon (blue box with green arrow).

Alternatively, you can simply perform a manual install, which is really easy but this does bypass requirements checks; here is how:

https://serverpress.com/doc/manually-installing-desktopserver/