...
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\eso\shell\Open\Command] @="\"C:\\Programme\\StepOver\\eSignatureOffice\\SOSigOffice.exe\" \"%1\""
additional Setting for Chrome:
Open "Preferences" of Chrome, you can find it under %LOCALAPPDATA%\Google\Chrome\User Data\Default\Preferences
Close Google Chrome.
Open the Preferences file and search for
excluded_schemes
inprotocol_handler
.Add the line
"eso": false,
to
excluded_schemes
.Restart Google Chrome.