Follow the hyperlinks to download:
If installed in the <Windows\Program Files> directory, you must choose the "Run as Adminstrator" option.
See documentation for further details.
Right+ciick on the link to download this file to your AirScout program directory.
Open an Explorer window, navigate to your AirScout program directory and clcik on "AirScout_clean.cmd" to run it.
You will get a new AirScout startup sreen like this:
Please make sure that the "AirScout Database" and "ScoutBase Database" options are ticked.
You may untick the "Elevation Files" option to keep your downloaded elevation files.
Press >Continue> to erase files and start AirScout from the scratch.
PS: all local settings will be lost, sorry.