Getting "You have not entered an API key. Please go to settings and add one." despite having done so.

[durhambell]

I have entered my API key into the json file but am still getting this error. I'm not sure what I'm doing wrong. Removing the quotes (obviously) invalidates the json (and does not work anyway). My key was C&Pd directly from my Virustotal dashboard.

Does the app check the API key only when it is registered or every time it runs?

[Genbox]

The key is read from appsettings.json every time you scan a file. Put the executable+appsettings,json files in a directory, register it and let them stay there. When you right click a file, choose "VT Scan" it forwards the filename to the executable, which then in turn reads the config file to get your API key.